256316220053759 has 2 divisors, whose sum is σ = 256316220053760. Its totient is φ = 256316220053758.

The previous prime is 256316220053683. The next prime is 256316220053821. The reversal of 256316220053759 is 957350022613652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256316220053759 - 2¹² = 256316220049663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256316220056759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128158110026879 + 128158110026880.

It is an arithmetic number, because the mean of its divisors is an integer number (128158110026880).

Almost surely, 2^{256316220053759} is an apocalyptic number.

256316220053759 is a deficient number, since it is larger than the sum of its proper divisors (1).

256316220053759 is an equidigital number, since it uses as much as digits as its factorization.

256316220053759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 256316220053759 in words is "two hundred fifty-six trillion, three hundred sixteen billion, two hundred twenty million, fifty-three thousand, seven hundred fifty-nine".