13936608517 has 8 divisors (see below), whose sum is σ = 15891517656. Its totient is φ = 12107822592.

The previous prime is 13936608479. The next prime is 13936608607. The reversal of 13936608517 is 71580663931.

It can be written as a sum of positive squares in 4 ways, for example, as 5985497956 + 7951110561 = 77366^2 + 89169^2 .

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 13936608517 - 2¹¹ = 13936606469 is a prime.

It is a super-2 number, since 2×13936608517² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13936608617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31530568 + ... + 31531009.

It is an arithmetic number, because the mean of its divisors is an integer number (1986439707).

Almost surely, 2^13936608517 is an apocalyptic number.

13936608517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13936608517 is a deficient number, since it is larger than the sum of its proper divisors (1954909139).

13936608517 is a wasteful number, since it uses less digits than its factorization.

13936608517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63061607.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 13936608517 in words is "thirteen billion, nine hundred thirty-six million, six hundred eight thousand, five hundred seventeen".