14436401321 has 2 divisors, whose sum is σ = 14436401322. Its totient is φ = 14436401320.

The previous prime is 14436401281. The next prime is 14436401327. The reversal of 14436401321 is 12310463441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7865029225 + 6571372096 = 88685^2 + 81064^2 .

It is a cyclic number.

It is not a de Polignac number, because 14436401321 - 2⁶ = 14436401257 is a prime.

It is not a weakly prime, because it can be changed into another prime (14436401327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7218200660 + 7218200661.

It is an arithmetic number, because the mean of its divisors is an integer number (7218200661).

Almost surely, 2^14436401321 is an apocalyptic number.

It is an amenable number.

14436401321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14436401321 is an equidigital number, since it uses as much as digits as its factorization.

14436401321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 14436401321 its reverse (12310463441), we get a palindrome (26746864762).

The spelling of 14436401321 in words is "fourteen billion, four hundred thirty-six million, four hundred one thousand, three hundred twenty-one".