25421234584 has 16 divisors (see below), whose sum is σ = 49308429600. Its totient is φ = 12272320032.

The previous prime is 25421234581. The next prime is 25421234591. The reversal of 25421234584 is 48543212452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25421234581) by changing a digit.

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, 54786912 + ... + 54787375.

It is an arithmetic number, because the mean of its divisors is an integer number (3081776850).

Almost surely, 2^25421234584 is an apocalyptic number.

It is an amenable number.

25421234584 is a deficient number, since it is larger than the sum of its proper divisors (23887195016).

25421234584 is a wasteful number, since it uses less digits than its factorization.

25421234584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109574322 (or 109574318 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The spelling of 25421234584 in words is "twenty-five billion, four hundred twenty-one million, two hundred thirty-four thousand, five hundred eighty-four".