256477074223013 has 8 divisors (see below), whose sum is σ = 305860858700928. Its totient is φ = 210279340356624.

The previous prime is 256477074222979. The next prime is 256477074223033. The reversal of 256477074223013 is 310322470774652.

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

It is not a de Polignac number, because 256477074223013 - 2²⁶ = 256477007114149 is a prime.

It is a super-3 number, since 3×256477074223013³ (a number of 44 digits) contains 333 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 (256477074223033) 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, 796512652706 + ... + 796512653027.

It is an arithmetic number, because the mean of its divisors is an integer number (38232607337616).

Almost surely, 2^{256477074223013} is an apocalyptic number.

256477074223013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256477074223013 is a deficient number, since it is larger than the sum of its proper divisors (49383784477915).

256477074223013 is a wasteful number, since it uses less digits than its factorization.

256477074223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593025305763.

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 256477074223013 in words is "two hundred fifty-six trillion, four hundred seventy-seven billion, seventy-four million, two hundred twenty-three thousand, thirteen".