44853716318639 has 4 divisors (see below), whose sum is σ = 45523174771224. Its totient is φ = 44184257866056.

The previous prime is 44853716318623. The next prime is 44853716318699. The reversal of 44853716318639 is 93681361735844.

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

It is a cyclic number.

It is not a de Polignac number, because 44853716318639 - 2⁴ = 44853716318623 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 (44853716318699) 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, 334729226192 + ... + 334729226325.

It is an arithmetic number, because the mean of its divisors is an integer number (11380793692806).

Almost surely, 2^{44853716318639} is an apocalyptic number.

44853716318639 is a deficient number, since it is larger than the sum of its proper divisors (669458452585).

44853716318639 is an equidigital number, since it uses as much as digits as its factorization.

44853716318639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669458452584.

The product of its digits is 313528320, while the sum is 68.

The spelling of 44853716318639 in words is "forty-four trillion, eight hundred fifty-three billion, seven hundred sixteen million, three hundred eighteen thousand, six hundred thirty-nine".