14444431519 has 4 divisors (see below), whose sum is σ = 16507921744. Its totient is φ = 12380941296.

The previous prime is 14444431513. The next prime is 14444431523. The reversal of 14444431519 is 91513444441.

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 14444431519 - 2³ = 14444431511 is a prime.

It is a super-2 number, since 2×14444431519² (a number of 21 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 (14444431511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031745102 + ... + 1031745115.

It is an arithmetic number, because the mean of its divisors is an integer number (4126980436).

Almost surely, 2^14444431519 is an apocalyptic number.

14444431519 is a deficient number, since it is larger than the sum of its proper divisors (2063490225).

14444431519 is an equidigital number, since it uses as much as digits as its factorization.

14444431519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063490224.

The product of its digits is 138240, while the sum is 40.

The spelling of 14444431519 in words is "fourteen billion, four hundred forty-four million, four hundred thirty-one thousand, five hundred nineteen".