316256056544009 has 2 divisors, whose sum is σ = 316256056544010. Its totient is φ = 316256056544008.

The previous prime is 316256056543927. The next prime is 316256056544119. The reversal of 316256056544009 is 900445650652613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299998750302784 + 16257306241225 = 17320472^2 + 4032035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316256056544009 is a prime.

It is not a weakly prime, because it can be changed into another prime (316256056546009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158128028272004 + 158128028272005.

It is an arithmetic number, because the mean of its divisors is an integer number (158128028272005).

Almost surely, 2^{316256056544009} is an apocalyptic number.

It is an amenable number.

316256056544009 is a deficient number, since it is larger than the sum of its proper divisors (1).

316256056544009 is an equidigital number, since it uses as much as digits as its factorization.

316256056544009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 316256056544009 in words is "three hundred sixteen trillion, two hundred fifty-six billion, fifty-six million, five hundred forty-four thousand, nine".