3938475713 has 2 divisors, whose sum is σ = 3938475714. Its totient is φ = 3938475712.

The previous prime is 3938475691. The next prime is 3938475721. The reversal of 3938475713 is 3175748393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3846852529 + 91623184 = 62023^2 + 9572^2 .

It is a cyclic number.

It is not a de Polignac number, because 3938475713 - 2⁶ = 3938475649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3938475733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969237856 + 1969237857.

It is an arithmetic number, because the mean of its divisors is an integer number (1969237857).

Almost surely, 2^3938475713 is an apocalyptic number.

It is an amenable number.

3938475713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938475713 is an equidigital number, since it uses as much as digits as its factorization.

3938475713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 50.

The square root of 3938475713 is about 62757.2761757551. The cubic root of 3938475713 is about 1579.2203215343.

The spelling of 3938475713 in words is "three billion, nine hundred thirty-eight million, four hundred seventy-five thousand, seven hundred thirteen".