14013425221 has 2 divisors, whose sum is σ = 14013425222. Its totient is φ = 14013425220.

The previous prime is 14013425213. The next prime is 14013425249. The reversal of 14013425221 is 12252431041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13897108996 + 116316225 = 117886^2 + 10785^2 .

It is a cyclic number.

It is not a de Polignac number, because 14013425221 - 2³ = 14013425213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14013425521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006712610 + 7006712611.

It is an arithmetic number, because the mean of its divisors is an integer number (7006712611).

Almost surely, 2^14013425221 is an apocalyptic number.

It is an amenable number.

14013425221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14013425221 is an equidigital number, since it uses as much as digits as its factorization.

14013425221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 14013425221 its reverse (12252431041), we get a palindrome (26265856262).

The spelling of 14013425221 in words is "fourteen billion, thirteen million, four hundred twenty-five thousand, two hundred twenty-one".