12813640164928 has 28 divisors (see below), whose sum is σ = 25432203574912. Its totient is φ = 6405525878400.

The previous prime is 12813640164877. The next prime is 12813640164931. The reversal of 12813640164928 is 82946104631821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19902600 + ... + 20536327.

Almost surely, 2^{12813640164928} is an apocalyptic number.

It is an amenable number.

12813640164928 is a deficient number, since it is larger than the sum of its proper divisors (12618563409984).

12813640164928 is an equidigital number, since it uses as much as digits as its factorization.

12813640164928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40443890 (or 40443880 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 12813640164928 in words is "twelve trillion, eight hundred thirteen billion, six hundred forty million, one hundred sixty-four thousand, nine hundred twenty-eight".