316394839682 has 4 divisors (see below), whose sum is σ = 474592259526. Its totient is φ = 158197419840.

The previous prime is 316394839679. The next prime is 316394839759. The reversal of 316394839682 is 286938493613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 286938493613 = 631 ⋅454736123.

It can be written as a sum of positive squares in only one way, i.e., 250971942841 + 65422896841 = 500971^2 + 255779^2 .

It is a super-2 number, since 2×316394839682² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 79098709919 + ... + 79098709922.

Almost surely, 2^316394839682 is an apocalyptic number.

316394839682 is a deficient number, since it is larger than the sum of its proper divisors (158197419844).

316394839682 is a wasteful number, since it uses less digits than its factorization.

316394839682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158197419843.

The product of its digits is 40310784, while the sum is 62.

The spelling of 316394839682 in words is "three hundred sixteen billion, three hundred ninety-four million, eight hundred thirty-nine thousand, six hundred eighty-two".