13109297480 has 16 divisors (see below), whose sum is σ = 29495919420. Its totient is φ = 5243718976.

The previous prime is 13109297479. The next prime is 13109297501. The reversal of 13109297480 is 8479290131.

It can be written as a sum of positive squares in 2 ways, for example, as 12211576036 + 897721444 = 110506^2 + 29962^2 .

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, 163866179 + ... + 163866258.

Almost surely, 2^13109297480 is an apocalyptic number.

13109297480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13109297480 is an abundant number, since it is smaller than the sum of its proper divisors (16386621940).

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

13109297480 is a wasteful number, since it uses less digits than its factorization.

13109297480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327732448 (or 327732444 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 13109297480 in words is "thirteen billion, one hundred nine million, two hundred ninety-seven thousand, four hundred eighty".