256623245474037 has 32 divisors (see below), whose sum is σ = 368597292940800. Its totient is φ = 157873730906112.

The previous prime is 256623245474017. The next prime is 256623245474047. The reversal of 256623245474037 is 730474542326652.

It is not a de Polignac number, because 256623245474037 - 2¹⁹ = 256623244949749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256623245474017) 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, 3354820963 + ... + 3354897455.

It is an arithmetic number, because the mean of its divisors is an integer number (11518665404400).

Almost surely, 2^{256623245474037} is an apocalyptic number.

It is an amenable number.

256623245474037 is a deficient number, since it is larger than the sum of its proper divisors (111974047466763).

256623245474037 is a wasteful number, since it uses less digits than its factorization.

256623245474037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101677.

The product of its (nonzero) digits is 203212800, while the sum is 60.

The spelling of 256623245474037 in words is "two hundred fifty-six trillion, six hundred twenty-three billion, two hundred forty-five million, four hundred seventy-four thousand, thirty-seven".