3989139216117 has 16 divisors (see below), whose sum is σ = 5806450524672. Its totient is φ = 2415965876720.

The previous prime is 3989139216113. The next prime is 3989139216121. The reversal of 3989139216117 is 7116129319893.

It is an interprime number because it is at equal distance from previous prime (3989139216113) and next prime (3989139216121).

It is not a de Polignac number, because 3989139216117 - 2² = 3989139216113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989139216113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42308553 + ... + 42402734.

It is an arithmetic number, because the mean of its divisors is an integer number (362903157792).

Almost surely, 2^{3989139216117} is an apocalyptic number.

It is an amenable number.

3989139216117 is a deficient number, since it is larger than the sum of its proper divisors (1817311308555).

3989139216117 is a wasteful number, since it uses less digits than its factorization.

3989139216117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84712728.

The product of its digits is 4408992, while the sum is 60.

The spelling of 3989139216117 in words is "three trillion, nine hundred eighty-nine billion, one hundred thirty-nine million, two hundred sixteen thousand, one hundred seventeen".