3996811139 has 12 divisors (see below), whose sum is σ = 4221007560. Its totient is φ = 3783970080.

The previous prime is 3996811127. The next prime is 3996811141. The reversal of 3996811139 is 9311186993.

It is a de Polignac number, because none of the positive numbers 2^k-3996811139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3996811739) 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, 784079 + ... + 789159.

It is an arithmetic number, because the mean of its divisors is an integer number (351750630).

Almost surely, 2^3996811139 is an apocalyptic number.

3996811139 is a deficient number, since it is larger than the sum of its proper divisors (224196421).

3996811139 is a wasteful number, since it uses less digits than its factorization.

3996811139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7298 (or 7279 counting only the distinct ones).

The product of its digits is 314928, while the sum is 50.

The square root of 3996811139 is about 63220.3380171286. The cubic root of 3996811139 is about 1586.9791063790.

The spelling of 3996811139 in words is "three billion, nine hundred ninety-six million, eight hundred eleven thousand, one hundred thirty-nine".