813208484484 has 36 divisors (see below), whose sum is σ = 2242484003760. Its totient is φ = 246426813360.

The previous prime is 813208484477. The next prime is 813208484497. The reversal of 813208484484 is 484484802318.

813208484484 is a `hidden beast` number, since 8 + 1 + 3 + 2 + 0 + 84 + 84 + 484 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×813208484484² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 813208484484.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026777994 + ... + 1026778785.

Almost surely, 2^813208484484 is an apocalyptic number.

It is an amenable number.

813208484484 is an abundant number, since it is smaller than the sum of its proper divisors (1429275519276).

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

813208484484 is a wasteful number, since it uses less digits than its factorization.

813208484484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053556800 (or 2053556795 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 54.

The spelling of 813208484484 in words is "eight hundred thirteen billion, two hundred eight million, four hundred eighty-four thousand, four hundred eighty-four".