25339864219 has 2 divisors, whose sum is σ = 25339864220. Its totient is φ = 25339864218.

The previous prime is 25339864153. The next prime is 25339864259. The reversal of 25339864219 is 91246893352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25339864219 - 2²⁹ = 24802993307 is a prime.

It is a super-2 number, since 2×25339864219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25339864259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12669932109 + 12669932110.

It is an arithmetic number, because the mean of its divisors is an integer number (12669932110).

Almost surely, 2^25339864219 is an apocalyptic number.

25339864219 is a deficient number, since it is larger than the sum of its proper divisors (1).

25339864219 is an equidigital number, since it uses as much as digits as its factorization.

25339864219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The spelling of 25339864219 in words is "twenty-five billion, three hundred thirty-nine million, eight hundred sixty-four thousand, two hundred nineteen".