12439627909568 has 56 divisors (see below), whose sum is σ = 24932904749280. Its totient is φ = 6157339059200.

The previous prime is 12439627909481. The next prime is 12439627909613. The reversal of 12439627909568 is 86590972693421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45622730 + ... + 45894582.

It is a 1-persistent number, because it is pandigital, but 2⋅12439627909568 = 24879255819136 is not.

Almost surely, 2^{12439627909568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12439627909568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12466452374640).

12439627909568 is an abundant number, since it is smaller than the sum of its proper divisors (12493276839712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12439627909568 is a wasteful number, since it uses less digits than its factorization.

12439627909568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279045 (or 279035 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 12439627909568 in words is "twelve trillion, four hundred thirty-nine billion, six hundred twenty-seven million, nine hundred nine thousand, five hundred sixty-eight".