256013665462 has 4 divisors (see below), whose sum is σ = 384020498196. Its totient is φ = 128006832730.

The previous prime is 256013665451. The next prime is 256013665469. The reversal of 256013665462 is 264566310652.

256013665462 is digitally balanced in base 3, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (256013665469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64003416364 + ... + 64003416367.

It is an arithmetic number, because the mean of its divisors is an integer number (96005124549).

Almost surely, 2^256013665462 is an apocalyptic number.

256013665462 is a deficient number, since it is larger than the sum of its proper divisors (128006832734).

256013665462 is a wasteful number, since it uses less digits than its factorization.

256013665462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128006832733.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 256013665462 in words is "two hundred fifty-six billion, thirteen million, six hundred sixty-five thousand, four hundred sixty-two".