14324221421 has 2 divisors, whose sum is σ = 14324221422. Its totient is φ = 14324221420.

The previous prime is 14324221409. The next prime is 14324221441. The reversal of 14324221421 is 12412242341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13101320521 + 1222900900 = 114461^2 + 34970^2 .

It is a cyclic number.

It is not a de Polignac number, because 14324221421 - 2¹⁰ = 14324220397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14324221441) 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 as a sum of consecutive naturals, namely, 7162110710 + 7162110711.

It is an arithmetic number, because the mean of its divisors is an integer number (7162110711).

Almost surely, 2^14324221421 is an apocalyptic number.

It is an amenable number.

14324221421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14324221421 is an equidigital number, since it uses as much as digits as its factorization.

14324221421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

Adding to 14324221421 its reverse (12412242341), we get a palindrome (26736463762).

The spelling of 14324221421 in words is "fourteen billion, three hundred twenty-four million, two hundred twenty-one thousand, four hundred twenty-one".