256712701410631 has 8 divisors (see below), whose sum is σ = 259114069975824. Its totient is φ = 254311373298240.

The previous prime is 256712701410601. The next prime is 256712701410749. The reversal of 256712701410631 is 136014107217652.

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 256712701410631 - 2¹³ = 256712701402439 is a prime.

It is a super-2 number, since 2×256712701410631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256712701410601) 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, 2713861 + ... + 22820833.

It is an arithmetic number, because the mean of its divisors is an integer number (32389258746978).

Almost surely, 2^{256712701410631} is an apocalyptic number.

256712701410631 is a deficient number, since it is larger than the sum of its proper divisors (2401368565193).

256712701410631 is a wasteful number, since it uses less digits than its factorization.

256712701410631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226401.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 256712701410631 in words is "two hundred fifty-six trillion, seven hundred twelve billion, seven hundred one million, four hundred ten thousand, six hundred thirty-one".