256675235279 has 2 divisors, whose sum is σ = 256675235280. Its totient is φ = 256675235278.

The previous prime is 256675235237. The next prime is 256675235329. The reversal of 256675235279 is 972532576652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256675235279 - 2³² = 252380267983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256675238279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128337617639 + 128337617640.

It is an arithmetic number, because the mean of its divisors is an integer number (128337617640).

Almost surely, 2^256675235279 is an apocalyptic number.

256675235279 is a deficient number, since it is larger than the sum of its proper divisors (1).

256675235279 is an equidigital number, since it uses as much as digits as its factorization.

256675235279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 59.

The spelling of 256675235279 in words is "two hundred fifty-six billion, six hundred seventy-five million, two hundred thirty-five thousand, two hundred seventy-nine".