25485958589 has 8 divisors (see below), whose sum is σ = 31367333760. Its totient is φ = 20164714416.

The previous prime is 25485958583. The next prime is 25485958591. The reversal of 25485958589 is 98585958452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25485958589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485958583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140032649 + ... + 140032830.

It is an arithmetic number, because the mean of its divisors is an integer number (3920916720).

Almost surely, 2^25485958589 is an apocalyptic number.

It is an amenable number.

25485958589 is a deficient number, since it is larger than the sum of its proper divisors (5881375171).

25485958589 is a wasteful number, since it uses less digits than its factorization.

25485958589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280065499.

The product of its digits is 207360000, while the sum is 68.

The spelling of 25485958589 in words is "twenty-five billion, four hundred eighty-five million, nine hundred fifty-eight thousand, five hundred eighty-nine".