25967298296089 has 4 divisors (see below), whose sum is σ = 26600647035060. Its totient is φ = 25333949557120.

The previous prime is 25967298296077. The next prime is 25967298296167. The reversal of 25967298296089 is 98069289276952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5590425190464 + 20376873105625 = 2364408^2 + 4514075^2 .

It is a cyclic number.

It is not a de Polignac number, because 25967298296089 - 2²⁹ = 25966761425177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25967298296389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316674369424 + ... + 316674369505.

It is an arithmetic number, because the mean of its divisors is an integer number (6650161758765).

Almost surely, 2^{25967298296089} is an apocalyptic number.

It is an amenable number.

25967298296089 is a deficient number, since it is larger than the sum of its proper divisors (633348738971).

25967298296089 is an equidigital number, since it uses as much as digits as its factorization.

25967298296089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633348738970.

The product of its (nonzero) digits is 4232632320, while the sum is 82.

The spelling of 25967298296089 in words is "twenty-five trillion, nine hundred sixty-seven billion, two hundred ninety-eight million, two hundred ninety-six thousand, eighty-nine".