12444140227663 has 4 divisors (see below), whose sum is σ = 12558306651880. Its totient is φ = 12329973803448.

The previous prime is 12444140227633. The next prime is 12444140227697. The reversal of 12444140227663 is 36672204144421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12444140227663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444140227633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57083211945 + ... + 57083212162.

It is an arithmetic number, because the mean of its divisors is an integer number (3139576662970).

Almost surely, 2^{12444140227663} is an apocalyptic number.

12444140227663 is a deficient number, since it is larger than the sum of its proper divisors (114166424217).

12444140227663 is a wasteful number, since it uses less digits than its factorization.

12444140227663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114166424216.

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 12444140227663 in words is "twelve trillion, four hundred forty-four billion, one hundred forty million, two hundred twenty-seven thousand, six hundred sixty-three".