3939035869 has 2 divisors, whose sum is σ = 3939035870. Its totient is φ = 3939035868.

The previous prime is 3939035861. The next prime is 3939035897. The reversal of 3939035869 is 9685309393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876927769 + 1062108100 = 53637^2 + 32590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3939035869 - 2³ = 3939035861 is a prime.

It is a super-2 number, since 2×3939035869² = 31032007154537170322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3939035861) by changing a digit.

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 as a sum of consecutive naturals, namely, 1969517934 + 1969517935.

It is an arithmetic number, because the mean of its divisors is an integer number (1969517935).

Almost surely, 2^3939035869 is an apocalyptic number.

It is an amenable number.

3939035869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939035869 is an equidigital number, since it uses as much as digits as its factorization.

3939035869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4723920, while the sum is 55.

The square root of 3939035869 is about 62761.7388940109. The cubic root of 3939035869 is about 1579.2951870295.

The spelling of 3939035869 in words is "three billion, nine hundred thirty-nine million, thirty-five thousand, eight hundred sixty-nine".