239599250117 has 2 divisors, whose sum is σ = 239599250118. Its totient is φ = 239599250116.

The previous prime is 239599250089. The next prime is 239599250141. The reversal of 239599250117 is 711052995932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166685209441 + 72914040676 = 408271^2 + 270026^2 .

It is a cyclic number.

It is not a de Polignac number, because 239599250117 - 2¹² = 239599246021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239599255117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119799625058 + 119799625059.

It is an arithmetic number, because the mean of its divisors is an integer number (119799625059).

Almost surely, 2^239599250117 is an apocalyptic number.

It is an amenable number.

239599250117 is a deficient number, since it is larger than the sum of its proper divisors (1).

239599250117 is an equidigital number, since it uses as much as digits as its factorization.

239599250117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 239599250117 in words is "two hundred thirty-nine billion, five hundred ninety-nine million, two hundred fifty thousand, one hundred seventeen".