12825644542 has 8 divisors (see below), whose sum is σ = 19239456096. Its totient is φ = 6412492512.

The previous prime is 12825644521. The next prime is 12825644593. The reversal of 12825644542 is 24544652821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112998 + ... + 196009.

It is an arithmetic number, because the mean of its divisors is an integer number (2404932012).

Almost surely, 2^12825644542 is an apocalyptic number.

12825644542 is a deficient number, since it is larger than the sum of its proper divisors (6413811554).

12825644542 is a wasteful number, since it uses less digits than its factorization.

12825644542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329762.

The product of its digits is 614400, while the sum is 43.

The spelling of 12825644542 in words is "twelve billion, eight hundred twenty-five million, six hundred forty-four thousand, five hundred forty-two".