The "n" at the end of an integer literal merely suggests that the value is a bigint primitive. Bigint values (introduced in ES10) are used to represent arbitrarily large integers. For example:
// ES10+ const MAX_SAFE_INTEGER = 9007199254740991n;
Appending "n" at the end of an integer literal is one of the ways you can create a bigint value.
If you wish to get rid of the n from an existing bigint value, then you can simply convert it to a string or number.
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