14204444021 has 2 divisors, whose sum is σ = 14204444022. Its totient is φ = 14204444020.

The previous prime is 14204443997. The next prime is 14204444053. The reversal of 14204444021 is 12044440241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11814603025 + 2389840996 = 108695^2 + 48886^2 .

It is an emirp because it is prime and its reverse (12044440241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14204444021 - 2¹⁴ = 14204427637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14204444071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7102222010 + 7102222011.

It is an arithmetic number, because the mean of its divisors is an integer number (7102222011).

Almost surely, 2^14204444021 is an apocalyptic number.

It is an amenable number.

14204444021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14204444021 is an equidigital number, since it uses as much as digits as its factorization.

14204444021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 14204444021 its reverse (12044440241), we get a palindrome (26248884262).

The spelling of 14204444021 in words is "fourteen billion, two hundred four million, four hundred forty-four thousand, twenty-one".