4039569139 has 2 divisors, whose sum is σ = 4039569140. Its totient is φ = 4039569138.

The previous prime is 4039569133. The next prime is 4039569169. The reversal of 4039569139 is 9319659304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4039569139 - 2⁹ = 4039568627 is a prime.

It is a super-2 number, since 2×4039569139² = 32636237657522402642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4039569092 and 4039569101.

It is not a weakly prime, because it can be changed into another prime (4039569133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019784569 + 2019784570.

It is an arithmetic number, because the mean of its divisors is an integer number (2019784570).

Almost surely, 2^4039569139 is an apocalyptic number.

4039569139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4039569139 is an equidigital number, since it uses as much as digits as its factorization.

4039569139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 4039569139 is about 63557.6048872202. The cubic root of 4039569139 is about 1592.6182274111.

The spelling of 4039569139 in words is "four billion, thirty-nine million, five hundred sixty-nine thousand, one hundred thirty-nine".