2398918259 has 2 divisors, whose sum is σ = 2398918260. Its totient is φ = 2398918258.

The previous prime is 2398918253. The next prime is 2398918261. The reversal of 2398918259 is 9528198932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2398918259 - 2⁸ = 2398918003 is a prime.

Together with 2398918261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2398918253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199459129 + 1199459130.

It is an arithmetic number, because the mean of its divisors is an integer number (1199459130).

Almost surely, 2^2398918259 is an apocalyptic number.

2398918259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398918259 is an equidigital number, since it uses as much as digits as its factorization.

2398918259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 56.

The square root of 2398918259 is about 48978.7531384783. The cubic root of 2398918259 is about 1338.6647163048.

The spelling of 2398918259 in words is "two billion, three hundred ninety-eight million, nine hundred eighteen thousand, two hundred fifty-nine".