813490576379 has 16 divisors (see below), whose sum is σ = 880383288960. Its totient is φ = 747219164160.

The previous prime is 813490576363. The next prime is 813490576397. The reversal of 813490576379 is 973675094318.

It is a cyclic number.

It is not a de Polignac number, because 813490576379 - 2⁴ = 813490576363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813490576309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4132439 + ... + 4324815.

It is an arithmetic number, because the mean of its divisors is an integer number (55023955560).

Almost surely, 2^813490576379 is an apocalyptic number.

813490576379 is a deficient number, since it is larger than the sum of its proper divisors (66892712581).

813490576379 is a wasteful number, since it uses less digits than its factorization.

813490576379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193990.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 813490576379 in words is "eight hundred thirteen billion, four hundred ninety million, five hundred seventy-six thousand, three hundred seventy-nine".