813023883734 has 16 divisors (see below), whose sum is σ = 1263606045840. Its totient is φ = 392081869920.

The previous prime is 813023883709. The next prime is 813023883739. The reversal of 813023883734 is 437388320318.

It is a super-2 number, since 2×813023883734² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813023883739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64994057 + ... + 65006564.

It is an arithmetic number, because the mean of its divisors is an integer number (78975377865).

Almost surely, 2^813023883734 is an apocalyptic number.

813023883734 is a deficient number, since it is larger than the sum of its proper divisors (450582162106).

813023883734 is a wasteful number, since it uses less digits than its factorization.

813023883734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130000735.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 813023883734 in words is "eight hundred thirteen billion, twenty-three million, eight hundred eighty-three thousand, seven hundred thirty-four".