14243413321 has 2 divisors, whose sum is σ = 14243413322. Its totient is φ = 14243413320.

The previous prime is 14243413313. The next prime is 14243413339. The reversal of 14243413321 is 12331434241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12740765625 + 1502647696 = 112875^2 + 38764^2 .

It is a cyclic number.

It is not a de Polignac number, because 14243413321 - 2³ = 14243413313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14243413321.

It is not a weakly prime, because it can be changed into another prime (14243413351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121706660 + 7121706661.

It is an arithmetic number, because the mean of its divisors is an integer number (7121706661).

Almost surely, 2^14243413321 is an apocalyptic number.

It is an amenable number.

14243413321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14243413321 is an equidigital number, since it uses as much as digits as its factorization.

14243413321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

Adding to 14243413321 its reverse (12331434241), we get a palindrome (26574847562).

The spelling of 14243413321 in words is "fourteen billion, two hundred forty-three million, four hundred thirteen thousand, three hundred twenty-one".