2593139309 has 2 divisors, whose sum is σ = 2593139310. Its totient is φ = 2593139308.

The previous prime is 2593139281. The next prime is 2593139359. The reversal of 2593139309 is 9039313952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1517102500 + 1076036809 = 38950^2 + 32803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2593139309 - 2²⁰ = 2592090733 is a prime.

It is a super-3 number, since 3×2593139309³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2593139309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2593139359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296569654 + 1296569655.

It is an arithmetic number, because the mean of its divisors is an integer number (1296569655).

Almost surely, 2^2593139309 is an apocalyptic number.

It is an amenable number.

2593139309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2593139309 is an equidigital number, since it uses as much as digits as its factorization.

2593139309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 2593139309 is about 50922.8760872754. The cubic root of 2593139309 is about 1373.8583244285.

The spelling of 2593139309 in words is "two billion, five hundred ninety-three million, one hundred thirty-nine thousand, three hundred nine".