14404324321 has 4 divisors (see below), whose sum is σ = 14428863792. Its totient is φ = 14379784852.

The previous prime is 14404324283. The next prime is 14404324343. The reversal of 14404324321 is 12342340441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12342340441 = 127 ⋅97183783.

It is a cyclic number.

It is not a de Polignac number, because 14404324321 - 2¹⁵ = 14404291553 is a prime.

It is a super-2 number, since 2×14404324321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14404324321.

It is not an unprimeable number, because it can be changed into a prime (14404324351) 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, 12268855 + ... + 12270028.

It is an arithmetic number, because the mean of its divisors is an integer number (3607215948).

Almost surely, 2^14404324321 is an apocalyptic number.

It is an amenable number.

14404324321 is a deficient number, since it is larger than the sum of its proper divisors (24539471).

14404324321 is an equidigital number, since it uses as much as digits as its factorization.

14404324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24539470.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 14404324321 its reverse (12342340441), we get a palindrome (26746664762).

The spelling of 14404324321 in words is "fourteen billion, four hundred four million, three hundred twenty-four thousand, three hundred twenty-one".