317795393539 has 4 divisors (see below), whose sum is σ = 342241193056. Its totient is φ = 293349594024.

The previous prime is 317795393507. The next prime is 317795393561. The reversal of 317795393539 is 935393597713.

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

It is a cyclic number.

It is not a de Polignac number, because 317795393539 - 2⁵ = 317795393507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317795393569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12222899739 + ... + 12222899764.

It is an arithmetic number, because the mean of its divisors is an integer number (85560298264).

Almost surely, 2^317795393539 is an apocalyptic number.

317795393539 is a deficient number, since it is larger than the sum of its proper divisors (24445799517).

317795393539 is a wasteful number, since it uses less digits than its factorization.

317795393539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445799516.

The product of its digits is 72335025, while the sum is 64.

The spelling of 317795393539 in words is "three hundred seventeen billion, seven hundred ninety-five million, three hundred ninety-three thousand, five hundred thirty-nine".