25589427542 has 8 divisors (see below), whose sum is σ = 43867590096. Its totient is φ = 10966897512.

The previous prime is 25589427541. The next prime is 25589427553. The reversal of 25589427542 is 24572498552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25589427541) 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 3 ways as a sum of consecutive naturals, for example, 913908113 + ... + 913908140.

It is an arithmetic number, because the mean of its divisors is an integer number (5483448762).

Almost surely, 2^25589427542 is an apocalyptic number.

25589427542 is a deficient number, since it is larger than the sum of its proper divisors (18278162554).

25589427542 is a wasteful number, since it uses less digits than its factorization.

25589427542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827816262.

The product of its digits is 8064000, while the sum is 53.

The spelling of 25589427542 in words is "twenty-five billion, five hundred eighty-nine million, four hundred twenty-seven thousand, five hundred forty-two".