14104321421 has 2 divisors, whose sum is σ = 14104321422. Its totient is φ = 14104321420.

The previous prime is 14104321417. The next prime is 14104321457. The reversal of 14104321421 is 12412340141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14101562500 + 2758921 = 118750^2 + 1661^2 .

It is a cyclic number.

It is not a de Polignac number, because 14104321421 - 2² = 14104321417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14104321921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7052160710 + 7052160711.

It is an arithmetic number, because the mean of its divisors is an integer number (7052160711).

Almost surely, 2^14104321421 is an apocalyptic number.

It is an amenable number.

14104321421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14104321421 is an equidigital number, since it uses as much as digits as its factorization.

14104321421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14104321421 its reverse (12412340141), we get a palindrome (26516661562).

The spelling of 14104321421 in words is "fourteen billion, one hundred four million, three hundred twenty-one thousand, four hundred twenty-one".