13513815273 has 16 divisors (see below), whose sum is σ = 20784936960. Its totient is φ = 7650008976.

The previous prime is 13513815257. The next prime is 13513815281. The reversal of 13513815273 is 37251831531.

It is not a de Polignac number, because 13513815273 - 2⁴ = 13513815257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13513815283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3004833 + ... + 3009326.

It is an arithmetic number, because the mean of its divisors is an integer number (1299058560).

Almost surely, 2^13513815273 is an apocalyptic number.

It is an amenable number.

13513815273 is a deficient number, since it is larger than the sum of its proper divisors (7271121687).

13513815273 is a wasteful number, since it uses less digits than its factorization.

13513815273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014276.

The product of its digits is 75600, while the sum is 39.

The spelling of 13513815273 in words is "thirteen billion, five hundred thirteen million, eight hundred fifteen thousand, two hundred seventy-three".