317264497817 has 4 divisors (see below), whose sum is σ = 317533139556. Its totient is φ = 316995856080.

The previous prime is 317264497793. The next prime is 317264497859. The reversal of 317264497817 is 718794462713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156482745241 + 160781752576 = 395579^2 + 400976^2 .

It is a cyclic number.

It is not a de Polignac number, because 317264497817 - 2²² = 317260303513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317264497867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134319098 + ... + 134321459.

It is an arithmetic number, because the mean of its divisors is an integer number (79383284889).

Almost surely, 2^317264497817 is an apocalyptic number.

It is an amenable number.

317264497817 is a deficient number, since it is larger than the sum of its proper divisors (268641739).

317264497817 is a wasteful number, since it uses less digits than its factorization.

317264497817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268641738.

The product of its digits is 14224896, while the sum is 59.

The spelling of 317264497817 in words is "three hundred seventeen billion, two hundred sixty-four million, four hundred ninety-seven thousand, eight hundred seventeen".