13612876449 has 16 divisors (see below), whose sum is σ = 18495572160. Its totient is φ = 8903482560.

The previous prime is 13612876441. The next prime is 13612876451. The reversal of 13612876449 is 94467821631.

It is a happy number.

It is not a de Polignac number, because 13612876449 - 2³ = 13612876441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13612876441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24427 + ... + 166800.

It is an arithmetic number, because the mean of its divisors is an integer number (1155973260).

Almost surely, 2^13612876449 is an apocalyptic number.

It is an amenable number.

13612876449 is a deficient number, since it is larger than the sum of its proper divisors (4882695711).

13612876449 is a wasteful number, since it uses less digits than its factorization.

13612876449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191680.

The product of its digits is 1741824, while the sum is 51.

The spelling of 13612876449 in words is "thirteen billion, six hundred twelve million, eight hundred seventy-six thousand, four hundred forty-nine".