256975514013 has 8 divisors (see below), whose sum is σ = 342777210048. Its totient is φ = 171245413664.

The previous prime is 256975513999. The next prime is 256975514017. The reversal of 256975514013 is 310415579652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256975514013 - 2⁴ = 256975513997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256975514017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17890545 + ... + 17904902.

It is an arithmetic number, because the mean of its divisors is an integer number (42847151256).

Almost surely, 2^256975514013 is an apocalyptic number.

It is an amenable number.

256975514013 is a deficient number, since it is larger than the sum of its proper divisors (85801696035).

256975514013 is a wasteful number, since it uses less digits than its factorization.

256975514013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35797843.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 256975514013 in words is "two hundred fifty-six billion, nine hundred seventy-five million, five hundred fourteen thousand, thirteen".