13807937261 has 6 divisors (see below), whose sum is σ = 14267723886. Its totient is φ = 13362519000.

The previous prime is 13807937239. The next prime is 13807937281. The reversal of 13807937261 is 16273970831.

It can be written as a sum of positive squares in only one way, i.e., 9529469161 + 4278468100 = 97619^2 + 65410^2 .

It is not a de Polignac number, because 13807937261 - 2⁶ = 13807937197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13807937281) 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, 7183190 + ... + 7185111.

It is an arithmetic number, because the mean of its divisors is an integer number (2377953981).

Almost surely, 2^13807937261 is an apocalyptic number.

It is an amenable number.

13807937261 is a deficient number, since it is larger than the sum of its proper divisors (459786625).

13807937261 is an equidigital number, since it uses as much as digits as its factorization.

13807937261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368363 (or 14368332 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 13807937261 in words is "thirteen billion, eight hundred seven million, nine hundred thirty-seven thousand, two hundred sixty-one".