3869959679 has 16 divisors (see below), whose sum is σ = 4252041216. Its totient is φ = 3506275200.

The previous prime is 3869959673. The next prime is 3869959693. The reversal of 3869959679 is 9769599683.

It is a cyclic number.

It is not a de Polignac number, because 3869959679 - 2²⁰ = 3868911103 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 (3869959673) 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, 81434 + ... + 119880.

It is an arithmetic number, because the mean of its divisors is an integer number (265752576).

Almost surely, 2^3869959679 is an apocalyptic number.

3869959679 is a deficient number, since it is larger than the sum of its proper divisors (382081537).

3869959679 is a wasteful number, since it uses less digits than its factorization.

3869959679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38686.

The product of its digits is 198404640, while the sum is 71.

The square root of 3869959679 is about 62208.9999839252. Note that the first 4 decimals coincide. The cubic root of 3869959679 is about 1570.0090170821.

The spelling of 3869959679 in words is "three billion, eight hundred sixty-nine million, nine hundred fifty-nine thousand, six hundred seventy-nine".