25332189089 has 4 divisors (see below), whose sum is σ = 25487601456. Its totient is φ = 25176776724.

The previous prime is 25332189079. The next prime is 25332189143. The reversal of 25332189089 is 98098123352.

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 a de Polignac number, because none of the positive numbers 2^k-25332189089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25332189079) 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, 77705939 + ... + 77706264.

It is an arithmetic number, because the mean of its divisors is an integer number (6371900364).

Almost surely, 2^25332189089 is an apocalyptic number.

It is an amenable number.

25332189089 is a deficient number, since it is larger than the sum of its proper divisors (155412367).

25332189089 is a wasteful number, since it uses less digits than its factorization.

25332189089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155412366.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 25332189089 in words is "twenty-five billion, three hundred thirty-two million, one hundred eighty-nine thousand, eighty-nine".