3939257029 has 2 divisors, whose sum is σ = 3939257030. Its totient is φ = 3939257028.

The previous prime is 3939256967. The next prime is 3939257039. The reversal of 3939257029 is 9207529393.

3939257029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3096922500 + 842334529 = 55650^2 + 29023^2 .

It is a cyclic number.

It is not a de Polignac number, because 3939257029 - 2⁷ = 3939256901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3939257039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969628514 + 1969628515.

It is an arithmetic number, because the mean of its divisors is an integer number (1969628515).

Almost surely, 2^3939257029 is an apocalyptic number.

It is an amenable number.

3939257029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939257029 is an equidigital number, since it uses as much as digits as its factorization.

3939257029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 3939257029 is about 62763.5007707505. The cubic root of 3939257029 is about 1579.3247433642.

The spelling of 3939257029 in words is "three billion, nine hundred thirty-nine million, two hundred fifty-seven thousand, twenty-nine".