813015538346 has 16 divisors (see below), whose sum is σ = 1330447578048. Its totient is φ = 369536263200.

The previous prime is 813015538303. The next prime is 813015538351. The reversal of 813015538346 is 643835510318.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 813015538346.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 293795 + ... + 1308566.

It is an arithmetic number, because the mean of its divisors is an integer number (83152973628).

Almost surely, 2^813015538346 is an apocalyptic number.

813015538346 is a deficient number, since it is larger than the sum of its proper divisors (517432039702).

813015538346 is a wasteful number, since it uses less digits than its factorization.

813015538346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625437.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 813015538346 in words is "eight hundred thirteen billion, fifteen million, five hundred thirty-eight thousand, three hundred forty-six".