13904609519772 has 36 divisors (see below), whose sum is σ = 35147886340840. Its totient is φ = 4634853568992.

The previous prime is 13904609519761. The next prime is 13904609519789. The reversal of 13904609519772 is 27791590640931.

13904609519772 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 4 + 609 + 5 + 19 + 7 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14179698 + ... + 15128550.

Almost surely, 2^{13904609519772} is an apocalyptic number.

13904609519772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13904609519772 is an abundant number, since it is smaller than the sum of its proper divisors (21243276821068).

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

13904609519772 is a wasteful number, since it uses less digits than its factorization.

13904609519772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355922 (or 1355917 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 13904609519772 in words is "thirteen trillion, nine hundred four billion, six hundred nine million, five hundred nineteen thousand, seven hundred seventy-two".