813307241926 has 4 divisors (see below), whose sum is σ = 1219960862892. Its totient is φ = 406653620962.

The previous prime is 813307241917. The next prime is 813307241963. The reversal of 813307241926 is 629142703318.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×813307241926² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203326810480 + ... + 203326810483.

It is an arithmetic number, because the mean of its divisors is an integer number (304990215723).

Almost surely, 2^813307241926 is an apocalyptic number.

813307241926 is a deficient number, since it is larger than the sum of its proper divisors (406653620966).

813307241926 is a wasteful number, since it uses less digits than its factorization.

813307241926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406653620965.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 813307241926 in words is "eight hundred thirteen billion, three hundred seven million, two hundred forty-one thousand, nine hundred twenty-six".