25498003199 has 2 divisors, whose sum is σ = 25498003200. Its totient is φ = 25498003198.

The previous prime is 25498003189. The next prime is 25498003207. The reversal of 25498003199 is 99130089452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25498003199 - 2¹² = 25497999103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25498003109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12749001599 + 12749001600.

It is an arithmetic number, because the mean of its divisors is an integer number (12749001600).

Almost surely, 2^25498003199 is an apocalyptic number.

25498003199 is a deficient number, since it is larger than the sum of its proper divisors (1).

25498003199 is an equidigital number, since it uses as much as digits as its factorization.

25498003199 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 25498003199 in words is "twenty-five billion, four hundred ninety-eight million, three thousand, one hundred ninety-nine".