23825668589 has 4 divisors (see below), whose sum is σ = 25227178524. Its totient is φ = 22424158656.

The previous prime is 23825668567. The next prime is 23825668597. The reversal of 23825668589 is 98586652832.

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 12127515625 + 11698152964 = 110125^2 + 108158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23825668589 is a prime.

It is a super-2 number, since 2×23825668589² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23825668289) 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, 700754942 + ... + 700754975.

It is an arithmetic number, because the mean of its divisors is an integer number (6306794631).

Almost surely, 2^23825668589 is an apocalyptic number.

It is an amenable number.

23825668589 is a deficient number, since it is larger than the sum of its proper divisors (1401509935).

23825668589 is a wasteful number, since it uses less digits than its factorization.

23825668589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401509934.

The product of its digits is 49766400, while the sum is 62.

The spelling of 23825668589 in words is "twenty-three billion, eight hundred twenty-five million, six hundred sixty-eight thousand, five hundred eighty-nine".