2609838239 has 2 divisors, whose sum is σ = 2609838240. Its totient is φ = 2609838238.

The previous prime is 2609838229. The next prime is 2609838299. The reversal of 2609838239 is 9328389062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2609838239 - 2⁴ = 2609838223 is a prime.

It is a super-2 number, since 2×2609838239² = 13622511267493242242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2609838229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304919119 + 1304919120.

It is an arithmetic number, because the mean of its divisors is an integer number (1304919120).

Almost surely, 2^2609838239 is an apocalyptic number.

2609838239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609838239 is an equidigital number, since it uses as much as digits as its factorization.

2609838239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 2609838239 is about 51086.5759177497. The cubic root of 2609838239 is about 1376.8010758658.

The spelling of 2609838239 in words is "two billion, six hundred nine million, eight hundred thirty-eight thousand, two hundred thirty-nine".