13107765249 has 8 divisors (see below), whose sum is σ = 19418911520. Its totient is φ = 8738510148.

The previous prime is 13107765211. The next prime is 13107765259. The reversal of 13107765249 is 94256770131.

13107765249 is a `hidden beast` number, since 13 + 107 + 7 + 6 + 524 + 9 = 666.

It is not a de Polignac number, because 13107765249 - 2⁹ = 13107764737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13107765259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242736367 + ... + 242736420.

It is an arithmetic number, because the mean of its divisors is an integer number (2427363940).

Almost surely, 2^13107765249 is an apocalyptic number.

It is an amenable number.

13107765249 is a deficient number, since it is larger than the sum of its proper divisors (6311146271).

13107765249 is an equidigital number, since it uses as much as digits as its factorization.

13107765249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485472796 (or 485472790 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 13107765249 in words is "thirteen billion, one hundred seven million, seven hundred sixty-five thousand, two hundred forty-nine".