2632539509921 has 2 divisors, whose sum is σ = 2632539509922. Its totient is φ = 2632539509920.

The previous prime is 2632539509869. The next prime is 2632539509927. The reversal of 2632539509921 is 1299059352362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1802319675025 + 830219834896 = 1342505^2 + 911164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2632539509921 - 2¹⁰ = 2632539508897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2632539509927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316269754960 + 1316269754961.

It is an arithmetic number, because the mean of its divisors is an integer number (1316269754961).

Almost surely, 2^{2632539509921} is an apocalyptic number.

It is an amenable number.

2632539509921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2632539509921 is an equidigital number, since it uses as much as digits as its factorization.

2632539509921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7873200, while the sum is 56.

The spelling of 2632539509921 in words is "two trillion, six hundred thirty-two billion, five hundred thirty-nine million, five hundred nine thousand, nine hundred twenty-one".