256624619313 has 32 divisors (see below), whose sum is σ = 345594654720. Its totient is φ = 169380449280.

The previous prime is 256624619267. The next prime is 256624619327. The reversal of 256624619313 is 313916426652.

It is not a de Polignac number, because 256624619313 - 2¹⁴ = 256624602929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256624619393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95504656 + ... + 95507342.

It is an arithmetic number, because the mean of its divisors is an integer number (10799832960).

Almost surely, 2^256624619313 is an apocalyptic number.

It is an amenable number.

256624619313 is a deficient number, since it is larger than the sum of its proper divisors (88970035407).

256624619313 is a wasteful number, since it uses less digits than its factorization.

256624619313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657.

The product of its digits is 1399680, while the sum is 48.

The spelling of 256624619313 in words is "two hundred fifty-six billion, six hundred twenty-four million, six hundred nineteen thousand, three hundred thirteen".