25244340089 has 4 divisors (see below), whose sum is σ = 25672210320. Its totient is φ = 24816469860.

The previous prime is 25244340047. The next prime is 25244340103. The reversal of 25244340089 is 98004344252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25244340089 - 2¹⁶ = 25244274553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25294340089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213935027 + ... + 213935144.

It is an arithmetic number, because the mean of its divisors is an integer number (6418052580).

Almost surely, 2^25244340089 is an apocalyptic number.

It is an amenable number.

25244340089 is a deficient number, since it is larger than the sum of its proper divisors (427870231).

25244340089 is an equidigital number, since it uses as much as digits as its factorization.

25244340089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427870230.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 25244340089 in words is "twenty-five billion, two hundred forty-four million, three hundred forty thousand, eighty-nine".