13971691100 has 36 divisors (see below), whose sum is σ = 30452181144. Its totient is φ = 5564047680.

The previous prime is 13971691099. The next prime is 13971691121. The reversal of 13971691100 is 119617931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285047 + ... + 330446.

Almost surely, 2^13971691100 is an apocalyptic number.

13971691100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13971691100 is an abundant number, since it is smaller than the sum of its proper divisors (16480490044).

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

13971691100 is a wasteful number, since it uses less digits than its factorization.

13971691100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615734 (or 615727 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 38.

The spelling of 13971691100 in words is "thirteen billion, nine hundred seventy-one million, six hundred ninety-one thousand, one hundred".