13788940692 has 12 divisors (see below), whose sum is σ = 32174194976. Its totient is φ = 4596313560.

The previous prime is 13788940673. The next prime is 13788940721. The reversal of 13788940692 is 29604988731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574539184 + ... + 574539207.

Almost surely, 2^13788940692 is an apocalyptic number.

13788940692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13788940692 is an abundant number, since it is smaller than the sum of its proper divisors (18385254284).

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

13788940692 is a wasteful number, since it uses less digits than its factorization.

13788940692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149078398 (or 1149078396 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 13788940692 in words is "thirteen billion, seven hundred eighty-eight million, nine hundred forty thousand, six hundred ninety-two".