813338458835 has 32 divisors (see below), whose sum is σ = 1181170708992. Its totient is φ = 524856983040.

The previous prime is 813338458831. The next prime is 813338458843. The reversal of 813338458835 is 538854833318.

It is not a de Polignac number, because 813338458835 - 2² = 813338458831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813338458831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6201044 + ... + 6330846.

It is an arithmetic number, because the mean of its divisors is an integer number (36911584656).

Almost surely, 2^813338458835 is an apocalyptic number.

813338458835 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

813338458835 is a deficient number, since it is larger than the sum of its proper divisors (367832250157).

813338458835 is a wasteful number, since it uses less digits than its factorization.

813338458835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140363.

The product of its digits is 33177600, while the sum is 59.

The spelling of 813338458835 in words is "eight hundred thirteen billion, three hundred thirty-eight million, four hundred fifty-eight thousand, eight hundred thirty-five".