11938969692 has 72 divisors (see below), whose sum is σ = 32804409456. Its totient is φ = 3639181824.

The previous prime is 11938969667. The next prime is 11938969699. The reversal of 11938969692 is 29696983911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938969699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69133 + ... + 169284.

It is an arithmetic number, because the mean of its divisors is an integer number (455616798).

Almost surely, 2^11938969692 is an apocalyptic number.

11938969692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11938969692 is an abundant number, since it is smaller than the sum of its proper divisors (20865439764).

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

11938969692 is a wasteful number, since it uses less digits than its factorization.

11938969692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238547 (or 238542 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The spelling of 11938969692 in words is "eleven billion, nine hundred thirty-eight million, nine hundred sixty-nine thousand, six hundred ninety-two".