25433653312 has 28 divisors (see below), whose sum is σ = 52210251180. Its totient is φ = 12278314496.

The previous prime is 25433653307. The next prime is 25433653337. The reversal of 25433653312 is 21335633452.

It can be written as a sum of positive squares in 2 ways, for example, as 6800311296 + 18633342016 = 82464^2 + 136504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6849883 + ... + 6853594.

Almost surely, 2^25433653312 is an apocalyptic number.

It is an amenable number.

25433653312 is an abundant number, since it is smaller than the sum of its proper divisors (26776597868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25433653312 is a wasteful number, since it uses less digits than its factorization.

25433653312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703518 (or 13703508 counting only the distinct ones).

The product of its digits is 194400, while the sum is 37.

The spelling of 25433653312 in words is "twenty-five billion, four hundred thirty-three million, six hundred fifty-three thousand, three hundred twelve".