44663611139 has 8 divisors (see below), whose sum is σ = 51056636928. Its totient is φ = 38273712840.

The previous prime is 44663611127. The next prime is 44663611141. The reversal of 44663611139 is 93111636644.

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

It is a cyclic number.

It is not a de Polignac number, because 44663611139 - 2⁴ = 44663611123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44663611139.

It is not an unprimeable number, because it can be changed into a prime (44663611339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751187 + ... + 808460.

It is an arithmetic number, because the mean of its divisors is an integer number (6382079616).

Almost surely, 2^44663611139 is an apocalyptic number.

44663611139 is a deficient number, since it is larger than the sum of its proper divisors (6393025789).

44663611139 is a wasteful number, since it uses less digits than its factorization.

44663611139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563745.

The product of its digits is 279936, while the sum is 44.

The spelling of 44663611139 in words is "forty-four billion, six hundred sixty-three million, six hundred eleven thousand, one hundred thirty-nine".