3999011018 has 8 divisors (see below), whose sum is σ = 6007620960. Its totient is φ = 1996470700.

The previous prime is 3999011017. The next prime is 3999011077. The reversal of 3999011018 is 8101109993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3999011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515758 + ... + 1518393.

It is an arithmetic number, because the mean of its divisors is an integer number (750952620).

Almost surely, 2^3999011018 is an apocalyptic number.

3999011018 is a deficient number, since it is larger than the sum of its proper divisors (2008609942).

3999011018 is a wasteful number, since it uses less digits than its factorization.

3999011018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034812.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 3999011018 is about 63237.7341308178. The cubic root of 3999011018 is about 1587.2702152624.

The spelling of 3999011018 in words is "three billion, nine hundred ninety-nine million, eleven thousand, eighteen".