13109392976 has 20 divisors (see below), whose sum is σ = 25401565044. Its totient is φ = 6554150400.

The previous prime is 13109392973. The next prime is 13109392981. The reversal of 13109392976 is 67929390131.

It can be written as a sum of positive squares in 2 ways, for example, as 5361168400 + 7748224576 = 73220^2 + 88024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13109392973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222296 + ... + 275016.

Almost surely, 2^13109392976 is an apocalyptic number.

13109392976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13109392976 is a deficient number, since it is larger than the sum of its proper divisors (12292172068).

13109392976 is a wasteful number, since it uses less digits than its factorization.

13109392976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68270 (or 68264 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 50.

The spelling of 13109392976 in words is "thirteen billion, one hundred nine million, three hundred ninety-two thousand, nine hundred seventy-six".