13409544990528 has 112 divisors (see below), whose sum is σ = 39524509378560. Its totient is φ = 4458177487872.

The previous prime is 13409544990481. The next prime is 13409544990559. The reversal of 13409544990528 is 82509944590431.

13409544990528 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 95 + 4 + 499 + 0 + 52 + 8 = 666.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9468925 + ... + 10792572.

Almost surely, 2^{13409544990528} is an apocalyptic number.

13409544990528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13409544990528 is an abundant number, since it is smaller than the sum of its proper divisors (26114964388032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13409544990528 is a wasteful number, since it uses less digits than its factorization.

13409544990528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20261901 (or 20261885 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 13409544990528 in words is "thirteen trillion, four hundred nine billion, five hundred forty-four million, nine hundred ninety thousand, five hundred twenty-eight".