813903424570 has 32 divisors (see below), whose sum is σ = 1521136869120. Its totient is φ = 313175177280.

The previous prime is 813903424463. The next prime is 813903424573. The reversal of 813903424570 is 75424309318.

It is a self number, because there is not a number n which added to its sum of digits gives 813903424570.

It is not an unprimeable number, because it can be changed into a prime (813903424573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5099572 + ... + 5256751.

It is an arithmetic number, because the mean of its divisors is an integer number (47535527160).

Almost surely, 2^813903424570 is an apocalyptic number.

813903424570 is a deficient number, since it is larger than the sum of its proper divisors (707233444550).

813903424570 is a wasteful number, since it uses less digits than its factorization.

813903424570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356630.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 813903424570 in words is "eight hundred thirteen billion, nine hundred three million, four hundred twenty-four thousand, five hundred seventy".