25269877099 has 2 divisors, whose sum is σ = 25269877100. Its totient is φ = 25269877098.

The previous prime is 25269877063. The next prime is 25269877111. The reversal of 25269877099 is 99077896252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25269877099 - 2⁷ = 25269876971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25269877099.

It is not a weakly prime, because it can be changed into another prime (25269877799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634938549 + 12634938550.

It is an arithmetic number, because the mean of its divisors is an integer number (12634938550).

Almost surely, 2^25269877099 is an apocalyptic number.

25269877099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269877099 is an equidigital number, since it uses as much as digits as its factorization.

25269877099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 25269877099 in words is "twenty-five billion, two hundred sixty-nine million, eight hundred seventy-seven thousand, ninety-nine".