256968694795 has 4 divisors (see below), whose sum is σ = 308362433760. Its totient is φ = 205574955832.

The previous prime is 256968694777. The next prime is 256968694817. The reversal of 256968694795 is 597496869652.

256968694795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256968694795 - 2⁷ = 256968694667 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25696869475 + ... + 25696869484.

It is an arithmetic number, because the mean of its divisors is an integer number (77090608440).

Almost surely, 2^256968694795 is an apocalyptic number.

256968694795 is a deficient number, since it is larger than the sum of its proper divisors (51393738965).

256968694795 is an equidigital number, since it uses as much as digits as its factorization.

256968694795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51393738964.

The product of its digits is 1763596800, while the sum is 76.

The spelling of 256968694795 in words is "two hundred fifty-six billion, nine hundred sixty-eight million, six hundred ninety-four thousand, seven hundred ninety-five".