13721948936 has 16 divisors (see below), whose sum is σ = 26112665040. Its totient is φ = 6758571600.

The previous prime is 13721948917. The next prime is 13721948951. The reversal of 13721948936 is 63984912731.

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, 12799790 + ... + 12800861.

It is an arithmetic number, because the mean of its divisors is an integer number (1632041565).

Almost surely, 2^13721948936 is an apocalyptic number.

It is an amenable number.

13721948936 is a deficient number, since it is larger than the sum of its proper divisors (12390716104).

13721948936 is a wasteful number, since it uses less digits than its factorization.

13721948936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25600724 (or 25600720 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The spelling of 13721948936 in words is "thirteen billion, seven hundred twenty-one million, nine hundred forty-eight thousand, nine hundred thirty-six".