25944160199 has 2 divisors, whose sum is σ = 25944160200. Its totient is φ = 25944160198.

The previous prime is 25944160181. The next prime is 25944160213. The reversal of 25944160199 is 99106144952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25944160199 - 2¹⁶ = 25944094663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25944060199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12972080099 + 12972080100.

It is an arithmetic number, because the mean of its divisors is an integer number (12972080100).

Almost surely, 2^25944160199 is an apocalyptic number.

25944160199 is a deficient number, since it is larger than the sum of its proper divisors (1).

25944160199 is an equidigital number, since it uses as much as digits as its factorization.

25944160199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 25944160199 in words is "twenty-five billion, nine hundred forty-four million, one hundred sixty thousand, one hundred ninety-nine".