256934961814 has 24 divisors (see below), whose sum is σ = 387638901720. Its totient is φ = 127726111488.

The previous prime is 256934961793. The next prime is 256934961827. The reversal of 256934961814 is 418169439652.

256934961814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98478942 + ... + 98481550.

It is an arithmetic number, because the mean of its divisors is an integer number (16151620905).

Almost surely, 2^256934961814 is an apocalyptic number.

256934961814 is a deficient number, since it is larger than the sum of its proper divisors (130703939906).

256934961814 is an equidigital number, since it uses as much as digits as its factorization.

256934961814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984 (or 3751 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 256934961814 in words is "two hundred fifty-six billion, nine hundred thirty-four million, nine hundred sixty-one thousand, eight hundred fourteen".