25653461589 has 48 divisors (see below), whose sum is σ = 44881057920. Its totient is φ = 14186145600.

The previous prime is 25653461573. The next prime is 25653461597. The reversal of 25653461589 is 98516435652.

25653461589 is a `hidden beast` number, since 2 + 5 + 6 + 53 + 4 + 6 + 1 + 589 = 666.

It is not a de Polignac number, because 25653461589 - 2⁴ = 25653461573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25653461599) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111009 + ... + 252249.

It is an arithmetic number, because the mean of its divisors is an integer number (935022040).

Almost surely, 2^25653461589 is an apocalyptic number.

It is an amenable number.

25653461589 is a deficient number, since it is larger than the sum of its proper divisors (19227596331).

25653461589 is a wasteful number, since it uses less digits than its factorization.

25653461589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141319 (or 141282 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 25653461589 in words is "twenty-five billion, six hundred fifty-three million, four hundred sixty-one thousand, five hundred eighty-nine".