13810797928 has 16 divisors (see below), whose sum is σ = 26084264580. Its totient is φ = 6854994048.

The previous prime is 13810797901. The next prime is 13810797961. The reversal of 13810797928 is 82979701831.

It can be written as a sum of positive squares in 2 ways, for example, as 13233741444 + 577056484 = 115038^2 + 24022^2 .

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, 6299451 + ... + 6301642.

Almost surely, 2^13810797928 is an apocalyptic number.

It is an amenable number.

13810797928 is a deficient number, since it is larger than the sum of its proper divisors (12273466652).

13810797928 is a wasteful number, since it uses less digits than its factorization.

13810797928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12601236 (or 12601232 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 13810797928 in words is "thirteen billion, eight hundred ten million, seven hundred ninety-seven thousand, nine hundred twenty-eight".