In order to see the details of the account, you need to log into your account and see AN and RN in the corresponding tab of your account.
Without knowing these details, you will not be able to receive funds to your account, since you will not be able to indicate them for the sender. And also you will not be able to link a bank account to payment systems, for example, Paypal.
Usually, brute-force accounts require a username and password. Log in to your account carefully from a close IP address, since you will not know the answers to the set secret questions and answers, and you will also not have the cardholder's cookies.