256514253634 has 32 divisors (see below), whose sum is σ = 393846857280. Its totient is φ = 125255262912.

The previous prime is 256514253623. The next prime is 256514253683. The reversal of 256514253634 is 436352415652.

256514253634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37264357 + ... + 37271239.

It is an arithmetic number, because the mean of its divisors is an integer number (12307714290).

Almost surely, 2^256514253634 is an apocalyptic number.

256514253634 is a deficient number, since it is larger than the sum of its proper divisors (137332603646).

256514253634 is a wasteful number, since it uses less digits than its factorization.

256514253634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514.

The product of its digits is 2592000, while the sum is 46.

The spelling of 256514253634 in words is "two hundred fifty-six billion, five hundred fourteen million, two hundred fifty-three thousand, six hundred thirty-four".