25620595199 has 2 divisors, whose sum is σ = 25620595200. Its totient is φ = 25620595198.

The previous prime is 25620595193. The next prime is 25620595213. The reversal of 25620595199 is 99159502652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25620595199 - 2²⁴ = 25603817983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25620595199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25620595193) 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, 12810297599 + 12810297600.

It is an arithmetic number, because the mean of its divisors is an integer number (12810297600).

Almost surely, 2^25620595199 is an apocalyptic number.

25620595199 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620595199 is an equidigital number, since it uses as much as digits as its factorization.

25620595199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 25620595199 in words is "twenty-five billion, six hundred twenty million, five hundred ninety-five thousand, one hundred ninety-nine".