813346807472 has 20 divisors (see below), whose sum is σ = 1578619281096. Its totient is φ = 405961186560.

The previous prime is 813346807423. The next prime is 813346807477. The reversal of 813346807472 is 274708643318.

It is not an unprimeable number, because it can be changed into a prime (813346807477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44504153 + ... + 44522424.

Almost surely, 2^813346807472 is an apocalyptic number.

It is an amenable number.

813346807472 is a deficient number, since it is larger than the sum of its proper divisors (765272473624).

813346807472 is a wasteful number, since it uses less digits than its factorization.

813346807472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89027156 (or 89027150 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 813346807472 in words is "eight hundred thirteen billion, three hundred forty-six million, eight hundred seven thousand, four hundred seventy-two".