25119642239 has 2 divisors, whose sum is σ = 25119642240. Its totient is φ = 25119642238.

The previous prime is 25119642217. The next prime is 25119642253. The reversal of 25119642239 is 93224691152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25119642239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25119642239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25119642299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12559821119 + 12559821120.

It is an arithmetic number, because the mean of its divisors is an integer number (12559821120).

Almost surely, 2^25119642239 is an apocalyptic number.

25119642239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25119642239 is an equidigital number, since it uses as much as digits as its factorization.

25119642239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The spelling of 25119642239 in words is "twenty-five billion, one hundred nineteen million, six hundred forty-two thousand, two hundred thirty-nine".