317468645856013 has 2 divisors, whose sum is σ = 317468645856014. Its totient is φ = 317468645856012.

The previous prime is 317468645855969. The next prime is 317468645856029. The reversal of 317468645856013 is 310658546864713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265042893299044 + 52425752556969 = 16280138^2 + 7240563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317468645856013 is a prime.

It is a super-2 number, since 2×317468645856013² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317468645856013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317468645356013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158734322928006 + 158734322928007.

It is an arithmetic number, because the mean of its divisors is an integer number (158734322928007).

Almost surely, 2^{317468645856013} is an apocalyptic number.

It is an amenable number.

317468645856013 is a deficient number, since it is larger than the sum of its proper divisors (1).

317468645856013 is an equidigital number, since it uses as much as digits as its factorization.

317468645856013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 348364800, while the sum is 67.

The spelling of 317468645856013 in words is "three hundred seventeen trillion, four hundred sixty-eight billion, six hundred forty-five million, eight hundred fifty-six thousand, thirteen".