25329963231 has 6 divisors (see below), whose sum is σ = 36587724680. Its totient is φ = 16886642148.

The previous prime is 25329963223. The next prime is 25329963257. The reversal of 25329963231 is 13236992352.

It is a happy number.

25329963231 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 9 + 9 + 632 + 3 + 1 = 666.

It is not a de Polignac number, because 25329963231 - 2³ = 25329963223 is a prime.

It is a super-2 number, since 2×25329963231² (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 (25329965231) 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 5 ways as a sum of consecutive naturals, for example, 1407220171 + ... + 1407220188.

Almost surely, 2^25329963231 is an apocalyptic number.

25329963231 is a deficient number, since it is larger than the sum of its proper divisors (11257761449).

25329963231 is a wasteful number, since it uses less digits than its factorization.

25329963231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814440365 (or 2814440362 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The spelling of 25329963231 in words is "twenty-five billion, three hundred twenty-nine million, nine hundred sixty-three thousand, two hundred thirty-one".