13273015816 has 16 divisors (see below), whose sum is σ = 24888925440. Its totient is φ = 6635969040.

The previous prime is 13273015787. The next prime is 13273015843. The reversal of 13273015816 is 61851037231.

It is a super-2 number, since 2×13273015816² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49185 + ... + 170191.

It is an arithmetic number, because the mean of its divisors is an integer number (1555557840).

Almost surely, 2^13273015816 is an apocalyptic number.

It is an amenable number.

13273015816 is a deficient number, since it is larger than the sum of its proper divisors (11615909624).

13273015816 is a wasteful number, since it uses less digits than its factorization.

13273015816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134724 (or 134720 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 13273015816 in words is "thirteen billion, two hundred seventy-three million, fifteen thousand, eight hundred sixteen".