3999011017 has 2 divisors, whose sum is σ = 3999011018. Its totient is φ = 3999011016.

The previous prime is 3999011011. The next prime is 3999011077. The reversal of 3999011017 is 7101109993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2489610816 + 1509400201 = 49896^2 + 38851^2 .

It is a cyclic number.

It is not a de Polignac number, because 3999011017 - 2¹⁹ = 3998486729 is a prime.

It is a super-2 number, since 2×3999011017² = 31984178228174748578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3999011011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999505508 + 1999505509.

It is an arithmetic number, because the mean of its divisors is an integer number (1999505509).

Almost surely, 2^3999011017 is an apocalyptic number.

It is an amenable number.

3999011017 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999011017 is an equidigital number, since it uses as much as digits as its factorization.

3999011017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 40.

The square root of 3999011017 is about 63237.7341229111. The cubic root of 3999011017 is about 1587.2702151301.

The spelling of 3999011017 in words is "three billion, nine hundred ninety-nine million, eleven thousand, seventeen".