14444569538789 has 16 divisors (see below), whose sum is σ = 15621320467200. Its totient is φ = 13277198241216.

The previous prime is 14444569538701. The next prime is 14444569538809. The reversal of 14444569538789 is 98783596544441.

It is a de Polignac number, because none of the positive numbers 2^k-14444569538789 is a prime.

It is a super-2 number, since 2×14444569538789² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14444569537789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116024627 + ... + 116149055.

It is an arithmetic number, because the mean of its divisors is an integer number (976332529200).

Almost surely, 2^{14444569538789} is an apocalyptic number.

It is an amenable number.

14444569538789 is a deficient number, since it is larger than the sum of its proper divisors (1176750928411).

14444569538789 is a wasteful number, since it uses less digits than its factorization.

14444569538789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162044.

The product of its digits is 4180377600, while the sum is 77.

The spelling of 14444569538789 in words is "fourteen trillion, four hundred forty-four billion, five hundred sixty-nine million, five hundred thirty-eight thousand, seven hundred eighty-nine".