3979913239 has 2 divisors, whose sum is σ = 3979913240. Its totient is φ = 3979913238.

The previous prime is 3979913221. The next prime is 3979913291. The reversal of 3979913239 is 9323199793.

3979913239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3979913239 - 2⁷ = 3979913111 is a prime.

It is a super-2 number, since 2×3979913239² = 31679418779934942242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3979913239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3979913039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989956619 + 1989956620.

It is an arithmetic number, because the mean of its divisors is an integer number (1989956620).

Almost surely, 2^3979913239 is an apocalyptic number.

3979913239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3979913239 is an equidigital number, since it uses as much as digits as its factorization.

3979913239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2480058, while the sum is 55.

The square root of 3979913239 is about 63086.5535514502. The cubic root of 3979913239 is about 1584.7394462690.

The spelling of 3979913239 in words is "three billion, nine hundred seventy-nine million, nine hundred thirteen thousand, two hundred thirty-nine".