14404434221 has 4 divisors (see below), whose sum is σ = 14793743292. Its totient is φ = 14015125152.

The previous prime is 14404434217. The next prime is 14404434229. The reversal of 14404434221 is 12243440441.

14404434221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6262981321 + 8141452900 = 79139^2 + 90230^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404434221 - 2² = 14404434217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14404434229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194654480 + ... + 194654553.

It is an arithmetic number, because the mean of its divisors is an integer number (3698435823).

Almost surely, 2^14404434221 is an apocalyptic number.

It is an amenable number.

14404434221 is a deficient number, since it is larger than the sum of its proper divisors (389309071).

14404434221 is an equidigital number, since it uses as much as digits as its factorization.

14404434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389309070.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 14404434221 its reverse (12243440441), we get a palindrome (26647874662).

The spelling of 14404434221 in words is "fourteen billion, four hundred four million, four hundred thirty-four thousand, two hundred twenty-one".