256332811413 has 8 divisors (see below), whose sum is σ = 390602379328. Its totient is φ = 146475892224.

The previous prime is 256332811387. The next prime is 256332811453. The reversal of 256332811413 is 314118233652.

256332811413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 256332811413 - 2¹⁰ = 256332810389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256332811453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6103162156 + ... + 6103162197.

It is an arithmetic number, because the mean of its divisors is an integer number (48825297416).

Almost surely, 2^256332811413 is an apocalyptic number.

It is an amenable number.

256332811413 is a deficient number, since it is larger than the sum of its proper divisors (134269567915).

256332811413 is a wasteful number, since it uses less digits than its factorization.

256332811413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206324363.

The product of its digits is 103680, while the sum is 39.

The spelling of 256332811413 in words is "two hundred fifty-six billion, three hundred thirty-two million, eight hundred eleven thousand, four hundred thirteen".