3939307913 has 2 divisors, whose sum is σ = 3939307914. Its totient is φ = 3939307912.

The previous prime is 3939307909. The next prime is 3939307937. The reversal of 3939307913 is 3197039393.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3922767424 + 16540489 = 62632^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 3939307913 - 2² = 3939307909 is a prime.

It is not a weakly prime, because it can be changed into another prime (3939307973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969653956 + 1969653957.

It is an arithmetic number, because the mean of its divisors is an integer number (1969653957).

Almost surely, 2^3939307913 is an apocalyptic number.

It is an amenable number.

3939307913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939307913 is an equidigital number, since it uses as much as digits as its factorization.

3939307913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 47.

The square root of 3939307913 is about 62763.9061324261. The cubic root of 3939307913 is about 1579.3315434632.

The spelling of 3939307913 in words is "three billion, nine hundred thirty-nine million, three hundred seven thousand, nine hundred thirteen".