14334340421 has 4 divisors (see below), whose sum is σ = 14362502700. Its totient is φ = 14306178144.

The previous prime is 14334340403. The next prime is 14334340469. The reversal of 14334340421 is 12404343341.

It is a happy number.

14334340421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8665003396 + 5669337025 = 93086^2 + 75295^2 .

It is a cyclic number.

It is not a de Polignac number, because 14334340421 - 2²⁶ = 14267231557 is a prime.

It is a super-2 number, since 2×14334340421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14334340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14080376 + ... + 14081393.

It is an arithmetic number, because the mean of its divisors is an integer number (3590625675).

Almost surely, 2^14334340421 is an apocalyptic number.

It is an amenable number.

14334340421 is a deficient number, since it is larger than the sum of its proper divisors (28162279).

14334340421 is an equidigital number, since it uses as much as digits as its factorization.

14334340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28162278.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 14334340421 its reverse (12404343341), we get a palindrome (26738683762).

The spelling of 14334340421 in words is "fourteen billion, three hundred thirty-four million, three hundred forty thousand, four hundred twenty-one".