25689923332 has 12 divisors (see below), whose sum is σ = 47323543120. Its totient is φ = 12168911016.

The previous prime is 25689923309. The next prime is 25689923333. The reversal of 25689923332 is 23332998652.

It is a happy number.

It is a super-3 number, since 3×25689923332³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25689923332.

It is not an unprimeable number, because it can be changed into a prime (25689923333) 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, 169012578 + ... + 169012729.

Almost surely, 2^25689923332 is an apocalyptic number.

It is an amenable number.

25689923332 is a deficient number, since it is larger than the sum of its proper divisors (21633619788).

25689923332 is a wasteful number, since it uses less digits than its factorization.

25689923332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338025330 (or 338025328 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 52.

The spelling of 25689923332 in words is "twenty-five billion, six hundred eighty-nine million, nine hundred twenty-three thousand, three hundred thirty-two".