13928522686 has 12 divisors (see below), whose sum is σ = 22623547752. Its totient is φ = 6428548776.

The previous prime is 13928522681. The next prime is 13928522687. The reversal of 13928522686 is 68622582931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928522681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20603986 + ... + 20604661.

It is an arithmetic number, because the mean of its divisors is an integer number (1885295646).

Almost surely, 2^13928522686 is an apocalyptic number.

13928522686 is a deficient number, since it is larger than the sum of its proper divisors (8695025066).

13928522686 is a wasteful number, since it uses less digits than its factorization.

13928522686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41208675 (or 41208662 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 13928522686 in words is "thirteen billion, nine hundred twenty-eight million, five hundred twenty-two thousand, six hundred eighty-six".