317475073819 has 2 divisors, whose sum is σ = 317475073820. Its totient is φ = 317475073818.

The previous prime is 317475073807. The next prime is 317475073919. The reversal of 317475073819 is 918370574713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317475073819 - 2⁷ = 317475073691 is a prime.

It is a super-2 number, since 2×317475073819² (a number of 24 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 317475073819.

It is not a weakly prime, because it can be changed into another prime (317475073519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158737536909 + 158737536910.

It is an arithmetic number, because the mean of its divisors is an integer number (158737536910).

Almost surely, 2^317475073819 is an apocalyptic number.

317475073819 is a deficient number, since it is larger than the sum of its proper divisors (1).

317475073819 is an equidigital number, since it uses as much as digits as its factorization.

317475073819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 317475073819 in words is "three hundred seventeen billion, four hundred seventy-five million, seventy-three thousand, eight hundred nineteen".