14444424144221 has 4 divisors (see below), whose sum is σ = 14660012564352. Its totient is φ = 14228835724092.

The previous prime is 14444424144197. The next prime is 14444424144223. The reversal of 14444424144221 is 12244142444441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14444424144221 - 2²⁶ = 14444357035357 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 (14444424144223) 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, 107794209965 + ... + 107794210098.

It is an arithmetic number, because the mean of its divisors is an integer number (3665003141088).

Almost surely, 2^{14444424144221} is an apocalyptic number.

It is an amenable number.

14444424144221 is a deficient number, since it is larger than the sum of its proper divisors (215588420131).

14444424144221 is an equidigital number, since it uses as much as digits as its factorization.

14444424144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215588420130.

The product of its digits is 524288, while the sum is 41.

Adding to 14444424144221 its reverse (12244142444441), we get a palindrome (26688566588662).

The spelling of 14444424144221 in words is "fourteen trillion, four hundred forty-four billion, four hundred twenty-four million, one hundred forty-four thousand, two hundred twenty-one".