813354699792 has 80 divisors (see below), whose sum is σ = 2110833648000. Its totient is φ = 269871393792.

The previous prime is 813354699763. The next prime is 813354699821. The reversal of 813354699792 is 297996453318.

It is an interprime number because it is at equal distance from previous prime (813354699763) and next prime (813354699821).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88030309 + ... + 88039547.

It is an arithmetic number, because the mean of its divisors is an integer number (26385420600).

Almost surely, 2^813354699792 is an apocalyptic number.

It is an amenable number.

813354699792 is an abundant number, since it is smaller than the sum of its proper divisors (1297478948208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813354699792 is a wasteful number, since it uses less digits than its factorization.

813354699792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488 (or 17482 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 66.

The spelling of 813354699792 in words is "eight hundred thirteen billion, three hundred fifty-four million, six hundred ninety-nine thousand, seven hundred ninety-two".