3199566659913 has 12 divisors (see below), whose sum is σ = 4977103693380. Its totient is φ = 1968964098336.

The previous prime is 3199566659903. The next prime is 3199566659923.

3199566659913 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (3199566659903) and next prime (3199566659923).

It can be written as a sum of positive squares in 2 ways, for example, as 853559797689 + 2346006862224 = 923883^2 + 1531668^2 .

It is not a de Polignac number, because 3199566659913 - 2⁸ = 3199566659657 is a prime.

It is a super-2 number, since 2×3199566659913² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3199566659903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13673361678 + ... + 13673361911.

It is an arithmetic number, because the mean of its divisors is an integer number (414758641115).

Almost surely, 2^{3199566659913} is an apocalyptic number.

It is an amenable number.

3199566659913 is a deficient number, since it is larger than the sum of its proper divisors (1777537033467).

3199566659913 is a wasteful number, since it uses less digits than its factorization.

3199566659913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27346723608 (or 27346723605 counting only the distinct ones).

The product of its digits is 318864600, while the sum is 72.

The spelling of 3199566659913 in words is "three trillion, one hundred ninety-nine billion, five hundred sixty-six million, six hundred fifty-nine thousand, nine hundred thirteen".