256757696059 has 2 divisors, whose sum is σ = 256757696060. Its totient is φ = 256757696058.

The previous prime is 256757696033. The next prime is 256757696087. The reversal of 256757696059 is 950696757652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256757696059 - 2¹³ = 256757687867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256757695985 and 256757696003.

It is not a weakly prime, because it can be changed into another prime (256757696089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128378848029 + 128378848030.

It is an arithmetic number, because the mean of its divisors is an integer number (128378848030).

Almost surely, 2^256757696059 is an apocalyptic number.

256757696059 is a deficient number, since it is larger than the sum of its proper divisors (1).

256757696059 is an equidigital number, since it uses as much as digits as its factorization.

256757696059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326000, while the sum is 67.

The spelling of 256757696059 in words is "two hundred fifty-six billion, seven hundred fifty-seven million, six hundred ninety-six thousand, fifty-nine".