317912216498 has 6 divisors (see below), whose sum is σ = 476869520829. Its totient is φ = 158955709556.

The previous prime is 317912216497. The next prime is 317912216519. The reversal of 317912216498 is 894612219713.

It can be written as a sum of positive squares in 2 ways, for example, as 239950083409 + 77962133089 = 489847^2 + 279217^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=398693.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317912216497) 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 2 ways as a sum of consecutive naturals, for example, 598040 + ... + 996732.

Almost surely, 2^317912216498 is an apocalyptic number.

317912216498 is a deficient number, since it is larger than the sum of its proper divisors (158957304331).

317912216498 is an frugal number, since it uses more digits than its factorization.

317912216498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797388 (or 398695 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The spelling of 317912216498 in words is "three hundred seventeen billion, nine hundred twelve million, two hundred sixteen thousand, four hundred ninety-eight".