3999610975 has 6 divisors (see below), whose sum is σ = 4959517640. Its totient is φ = 3199688760.

The previous prime is 3999610969. The next prime is 3999610981. The reversal of 3999610975 is 5790169993.

It is an interprime number because it is at equal distance from previous prime (3999610969) and next prime (3999610981).

It is not a de Polignac number, because 3999610975 - 2¹⁵ = 3999578207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79992195 + ... + 79992244.

Almost surely, 2^3999610975 is an apocalyptic number.

3999610975 is a deficient number, since it is larger than the sum of its proper divisors (959906665).

3999610975 is a wasteful number, since it uses less digits than its factorization.

3999610975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159984449 (or 159984444 counting only the distinct ones).

The product of its (nonzero) digits is 4133430, while the sum is 58.

The square root of 3999610975 is about 63242.4776159189. The cubic root of 3999610975 is about 1587.3495887419.

The spelling of 3999610975 in words is "three billion, nine hundred ninety-nine million, six hundred ten thousand, nine hundred seventy-five".