813802908192 has 96 divisors (see below), whose sum is σ = 2230549876800. Its totient is φ = 259465694208.

The previous prime is 813802908173. The next prime is 813802908199. The reversal of 813802908192 is 291809208318.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (813802908199) 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, 1068067 + ... + 1663842.

It is an arithmetic number, because the mean of its divisors is an integer number (23234894550).

Almost surely, 2^813802908192 is an apocalyptic number.

It is an amenable number.

813802908192 is an abundant number, since it is smaller than the sum of its proper divisors (1416746968608).

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

813802908192 is a wasteful number, since it uses less digits than its factorization.

813802908192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732058 (or 2732050 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 813802908192 in words is "eight hundred thirteen billion, eight hundred two million, nine hundred eight thousand, one hundred ninety-two".