2539842593 has 2 divisors, whose sum is σ = 2539842594. Its totient is φ = 2539842592.

The previous prime is 2539842581. The next prime is 2539842631. The reversal of 2539842593 is 3952489352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2480737249 + 59105344 = 49807^2 + 7688^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539842593 - 2²⁶ = 2472733729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2539842793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269921296 + 1269921297.

It is an arithmetic number, because the mean of its divisors is an integer number (1269921297).

Almost surely, 2^2539842593 is an apocalyptic number.

It is an amenable number.

2539842593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539842593 is an equidigital number, since it uses as much as digits as its factorization.

2539842593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 50.

The square root of 2539842593 is about 50396.8510226582. The cubic root of 2539842593 is about 1364.3808044657.

The spelling of 2539842593 in words is "two billion, five hundred thirty-nine million, eight hundred forty-two thousand, five hundred ninety-three".