25676099824289 has 2 divisors, whose sum is σ = 25676099824290. Its totient is φ = 25676099824288.

The previous prime is 25676099824261. The next prime is 25676099824301. The reversal of 25676099824289 is 98242899067652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18111493177600 + 7564606646689 = 4255760^2 + 2750383^2 .

It is a cyclic number.

It is not a de Polignac number, because 25676099824289 - 2¹⁶ = 25676099758753 is a prime.

It is not a weakly prime, because it can be changed into another prime (25676099820289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12838049912144 + 12838049912145.

It is an arithmetic number, because the mean of its divisors is an integer number (12838049912145).

Almost surely, 2^{25676099824289} is an apocalyptic number.

It is an amenable number.

25676099824289 is a deficient number, since it is larger than the sum of its proper divisors (1).

25676099824289 is an equidigital number, since it uses as much as digits as its factorization.

25676099824289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881169920, while the sum is 77.

The spelling of 25676099824289 in words is "twenty-five trillion, six hundred seventy-six billion, ninety-nine million, eight hundred twenty-four thousand, two hundred eighty-nine".