14404534104221 has 4 divisors (see below), whose sum is σ = 14419277742972. Its totient is φ = 14389790465472.

The previous prime is 14404534104199. The next prime is 14404534104263. The reversal of 14404534104221 is 12240143540441.

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 5464350384025 + 8940183720196 = 2337595^2 + 2990014^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404534104221 - 2¹⁸ = 14404533842077 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 (14404534104721) 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, 7371817910 + ... + 7371819863.

It is an arithmetic number, because the mean of its divisors is an integer number (3604819435743).

Almost surely, 2^{14404534104221} is an apocalyptic number.

It is an amenable number.

14404534104221 is a deficient number, since it is larger than the sum of its proper divisors (14743638751).

14404534104221 is an equidigital number, since it uses as much as digits as its factorization.

14404534104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14743638750.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 14404534104221 its reverse (12240143540441), we get a palindrome (26644677644662).

The spelling of 14404534104221 in words is "fourteen trillion, four hundred four billion, five hundred thirty-four million, one hundred four thousand, two hundred twenty-one".