317468645855969 has 2 divisors, whose sum is σ = 317468645855970. Its totient is φ = 317468645855968.

The previous prime is 317468645855903. The next prime is 317468645856013. The reversal of 317468645855969 is 969558546864713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308543698729744 + 8924947126225 = 17565412^2 + 2987465^2 .

It is a cyclic number.

It is not a de Polignac number, because 317468645855969 - 2¹⁶ = 317468645790433 is a prime.

It is a super-2 number, since 2×317468645855969² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317468641855969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158734322927984 + 158734322927985.

It is an arithmetic number, because the mean of its divisors is an integer number (158734322927985).

Almost surely, 2^{317468645855969} is an apocalyptic number.

It is an amenable number.

317468645855969 is a deficient number, since it is larger than the sum of its proper divisors (1).

317468645855969 is an equidigital number, since it uses as much as digits as its factorization.

317468645855969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248000, while the sum is 86.

The spelling of 317468645855969 in words is "three hundred seventeen trillion, four hundred sixty-eight billion, six hundred forty-five million, eight hundred fifty-five thousand, nine hundred sixty-nine".