3999613132 has 6 divisors (see below), whose sum is σ = 6999322988. Its totient is φ = 1999806564.

The previous prime is 3999613091. The next prime is 3999613139. The reversal of 3999613132 is 2313169993.

It is not an unprimeable number, because it can be changed into a prime (3999613139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499951638 + ... + 499951645.

Almost surely, 2^3999613132 is an apocalyptic number.

It is an amenable number.

3999613132 is a deficient number, since it is larger than the sum of its proper divisors (2999709856).

3999613132 is a wasteful number, since it uses less digits than its factorization.

3999613132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999903287 (or 999903285 counting only the distinct ones).

The product of its digits is 236196, while the sum is 46.

The square root of 3999613132 is about 63242.4946693282. The cubic root of 3999613132 is about 1587.3498740957.

The spelling of 3999613132 in words is "three billion, nine hundred ninety-nine million, six hundred thirteen thousand, one hundred thirty-two".