13579984756 has 12 divisors (see below), whose sum is σ = 25593048292. Its totient is φ = 6267685248.

The previous prime is 13579984753. The next prime is 13579984787. The reversal of 13579984756 is 65748997531.

It can be written as a sum of positive squares in 2 ways, for example, as 1318851856 + 12261132900 = 36316^2 + 110730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13579984753) 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 3 ways as a sum of consecutive naturals, for example, 130576725 + ... + 130576828.

Almost surely, 2^13579984756 is an apocalyptic number.

It is an amenable number.

13579984756 is a deficient number, since it is larger than the sum of its proper divisors (12013063536).

13579984756 is a wasteful number, since it uses less digits than its factorization.

13579984756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261153570 (or 261153568 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 13579984756 in words is "thirteen billion, five hundred seventy-nine million, nine hundred eighty-four thousand, seven hundred fifty-six".