13757371613 has 8 divisors (see below), whose sum is σ = 13800037080. Its totient is φ = 13714747200.

The previous prime is 13757371603. The next prime is 13757371631. The reversal of 13757371613 is 31617375731.

It can be written as a sum of positive squares in 4 ways, for example, as 4530232249 + 9227139364 = 67307^2 + 96058^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13757371613 - 2⁸ = 13757371357 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 (13757371603) 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, 745583 + ... + 763811.

It is an arithmetic number, because the mean of its divisors is an integer number (1725004635).

Almost surely, 2^13757371613 is an apocalyptic number.

It is an amenable number.

13757371613 is a deficient number, since it is larger than the sum of its proper divisors (42665467).

13757371613 is a wasteful number, since it uses less digits than its factorization.

13757371613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20527.

The product of its digits is 277830, while the sum is 44.

The spelling of 13757371613 in words is "thirteen billion, seven hundred fifty-seven million, three hundred seventy-one thousand, six hundred thirteen".