813873046459 has 16 divisors (see below), whose sum is σ = 910746809856. Its totient is φ = 720952204000.

The previous prime is 813873046379. The next prime is 813873046463. The reversal of 813873046459 is 954640378318.

It is a cyclic number.

It is not a de Polignac number, because 813873046459 - 2²⁷ = 813738828731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813873046859) 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, 3350092 + ... + 3584809.

It is an arithmetic number, because the mean of its divisors is an integer number (56921675616).

Almost surely, 2^813873046459 is an apocalyptic number.

813873046459 is a deficient number, since it is larger than the sum of its proper divisors (96873763397).

813873046459 is a wasteful number, since it uses less digits than its factorization.

813873046459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935186.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 813873046459 in words is "eight hundred thirteen billion, eight hundred seventy-three million, forty-six thousand, four hundred fifty-nine".