317368455893 has 2 divisors, whose sum is σ = 317368455894. Its totient is φ = 317368455892.

The previous prime is 317368455863. The next prime is 317368455931. The reversal of 317368455893 is 398554863713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311371812049 + 5996643844 = 558007^2 + 77438^2 .

It is a cyclic number.

It is not a de Polignac number, because 317368455893 - 2⁶ = 317368455829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317368455863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158684227946 + 158684227947.

It is an arithmetic number, because the mean of its divisors is an integer number (158684227947).

Almost surely, 2^317368455893 is an apocalyptic number.

It is an amenable number.

317368455893 is a deficient number, since it is larger than the sum of its proper divisors (1).

317368455893 is an equidigital number, since it uses as much as digits as its factorization.

317368455893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 317368455893 in words is "three hundred seventeen billion, three hundred sixty-eight million, four hundred fifty-five thousand, eight hundred ninety-three".