14421004421 has 4 divisors (see below), whose sum is σ = 14886198144. Its totient is φ = 13955810700.

The previous prime is 14421004397. The next prime is 14421004447. The reversal of 14421004421 is 12440012441.

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 14421004421 - 2¹⁰ = 14421003397 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 (14421000421) 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, 232596815 + ... + 232596876.

It is an arithmetic number, because the mean of its divisors is an integer number (3721549536).

Almost surely, 2^14421004421 is an apocalyptic number.

It is an amenable number.

14421004421 is a deficient number, since it is larger than the sum of its proper divisors (465193723).

14421004421 is an equidigital number, since it uses as much as digits as its factorization.

14421004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465193722.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 14421004421 its reverse (12440012441), we get a palindrome (26861016862).

The spelling of 14421004421 in words is "fourteen billion, four hundred twenty-one million, four thousand, four hundred twenty-one".