25243442359 has 2 divisors, whose sum is σ = 25243442360. Its totient is φ = 25243442358.

The previous prime is 25243442353. The next prime is 25243442377. The reversal of 25243442359 is 95324434252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25243442359 - 2²³ = 25235053751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25243442353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12621721179 + 12621721180.

It is an arithmetic number, because the mean of its divisors is an integer number (12621721180).

Almost surely, 2^25243442359 is an apocalyptic number.

25243442359 is a deficient number, since it is larger than the sum of its proper divisors (1).

25243442359 is an equidigital number, since it uses as much as digits as its factorization.

25243442359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 43.

The spelling of 25243442359 in words is "twenty-five billion, two hundred forty-three million, four hundred forty-two thousand, three hundred fifty-nine".