13080510621 has 24 divisors (see below), whose sum is σ = 19171409400. Its totient is φ = 8592569856.

The previous prime is 13080510601. The next prime is 13080510623. The reversal of 13080510621 is 12601508031.

13080510621 is a `hidden beast` number, since 1 + 30 + 8 + 0 + 5 + 1 + 0 + 621 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 538750521 + 12541760100 = 23211^2 + 111990^2 .

It is not a de Polignac number, because 13080510621 - 2⁷ = 13080510493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13080510623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711655 + ... + 729803.

It is an arithmetic number, because the mean of its divisors is an integer number (798808725).

Almost surely, 2^13080510621 is an apocalyptic number.

It is an amenable number.

13080510621 is a deficient number, since it is larger than the sum of its proper divisors (6090898779).

13080510621 is a wasteful number, since it uses less digits than its factorization.

13080510621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325 (or 19322 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 13080510621 in words is "thirteen billion, eighty million, five hundred ten thousand, six hundred twenty-one".