256653234267 has 16 divisors (see below), whose sum is σ = 342438969600. Its totient is φ = 170984880800.

The previous prime is 256653234247. The next prime is 256653234323. The reversal of 256653234267 is 762432356652.

It is a cyclic number.

It is not a de Polignac number, because 256653234267 - 2¹⁴ = 256653217883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256653234247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50331484 + ... + 50336582.

It is an arithmetic number, because the mean of its divisors is an integer number (21402435600).

Almost surely, 2^256653234267 is an apocalyptic number.

256653234267 is a deficient number, since it is larger than the sum of its proper divisors (85785735333).

256653234267 is a wasteful number, since it uses less digits than its factorization.

256653234267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314.

The product of its digits is 10886400, while the sum is 51.

The spelling of 256653234267 in words is "two hundred fifty-six billion, six hundred fifty-three million, two hundred thirty-four thousand, two hundred sixty-seven".