13081909714 has 8 divisors (see below), whose sum is σ = 19624521420. Its totient is φ = 6540402576.

The previous prime is 13081909681. The next prime is 13081909721. The reversal of 13081909714 is 41790918031.

It can be written as a sum of positive squares in 2 ways, for example, as 9590872489 + 3491037225 = 97933^2 + 59085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13081909714² (a number of 21 digits) contains 22 as substring.

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, 245869 + ... + 294304.

Almost surely, 2^13081909714 is an apocalyptic number.

13081909714 is a deficient number, since it is larger than the sum of its proper divisors (6542611706).

13081909714 is a wasteful number, since it uses less digits than its factorization.

13081909714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552284.

The product of its (nonzero) digits is 54432, while the sum is 43.

It can be divided in two parts, 1308190 and 9714, that added together give a square (1317904 = 1148²).

The spelling of 13081909714 in words is "thirteen billion, eighty-one million, nine hundred nine thousand, seven hundred fourteen".