3959844937 has 2 divisors, whose sum is σ = 3959844938. Its totient is φ = 3959844936.

The previous prime is 3959844919. The next prime is 3959844943. The reversal of 3959844937 is 7394489593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3945849856 + 13995081 = 62816^2 + 3741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3959844937 - 2²⁷ = 3825627209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3959844137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979922468 + 1979922469.

It is an arithmetic number, because the mean of its divisors is an integer number (1979922469).

Almost surely, 2^3959844937 is an apocalyptic number.

It is an amenable number.

3959844937 is a deficient number, since it is larger than the sum of its proper divisors (1).

3959844937 is an equidigital number, since it uses as much as digits as its factorization.

3959844937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The square root of 3959844937 is about 62927.2988217355. The cubic root of 3959844937 is about 1582.0713282612.

The spelling of 3959844937 in words is "three billion, nine hundred fifty-nine million, eight hundred forty-four thousand, nine hundred thirty-seven".