813168311039 has 8 divisors (see below), whose sum is σ = 929462874240. Its totient is φ = 696905663256.

The previous prime is 813168310991. The next prime is 813168311041. The reversal of 813168311039 is 930113861318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813168311039 - 2³⁶ = 744448834303 is a prime.

It is a super-2 number, since 2×813168311039² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813168311239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7924229 + ... + 8026190.

It is an arithmetic number, because the mean of its divisors is an integer number (116182859280).

Almost surely, 2^813168311039 is an apocalyptic number.

813168311039 is a deficient number, since it is larger than the sum of its proper divisors (116294563201).

813168311039 is a wasteful number, since it uses less digits than its factorization.

813168311039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15957709.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 813168311039 in words is "eight hundred thirteen billion, one hundred sixty-eight million, three hundred eleven thousand, thirty-nine".