14442421344221 has 32 divisors (see below), whose sum is σ = 16442818603008. Its totient is φ = 12593501982720.

The previous prime is 14442421344199. The next prime is 14442421344229. The reversal of 14442421344221 is 12244312424441.

It is a cyclic number.

It is not a de Polignac number, because 14442421344221 - 2¹⁰ = 14442421343197 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 (14442421344229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323120 + ... + 5384166.

It is an arithmetic number, because the mean of its divisors is an integer number (513838081344).

Almost surely, 2^{14442421344221} is an apocalyptic number.

It is an amenable number.

14442421344221 is a deficient number, since it is larger than the sum of its proper divisors (2000397258787).

14442421344221 is a wasteful number, since it uses less digits than its factorization.

14442421344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061261.

The product of its digits is 196608, while the sum is 38.

Adding to 14442421344221 its reverse (12244312424441), we get a palindrome (26686733768662).

The spelling of 14442421344221 in words is "fourteen trillion, four hundred forty-two billion, four hundred twenty-one million, three hundred forty-four thousand, two hundred twenty-one".