317664707647019 has 2 divisors, whose sum is σ = 317664707647020. Its totient is φ = 317664707647018.

The previous prime is 317664707647009. The next prime is 317664707647043. The reversal of 317664707647019 is 910746707466713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317664707647019 - 2⁴ = 317664707647003 is a prime.

It is a super-2 number, since 2×317664707647019² (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 317664707647019.

It is not a weakly prime, because it can be changed into another prime (317664707647009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158832353823509 + 158832353823510.

It is an arithmetic number, because the mean of its divisors is an integer number (158832353823510).

Almost surely, 2^{317664707647019} is an apocalyptic number.

317664707647019 is a deficient number, since it is larger than the sum of its proper divisors (1).

317664707647019 is an equidigital number, since it uses as much as digits as its factorization.

317664707647019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224042112, while the sum is 68.

The spelling of 317664707647019 in words is "three hundred seventeen trillion, six hundred sixty-four billion, seven hundred seven million, six hundred forty-seven thousand, nineteen".