14334121621 has 4 divisors (see below), whose sum is σ = 14338523200. Its totient is φ = 14329720044.

The previous prime is 14334121619. The next prime is 14334121649. The reversal of 14334121621 is 12612143341.

14334121621 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14334121621 - 2¹ = 14334121619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14334121621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14334191621) 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, 2195901 + ... + 2202418.

It is an arithmetic number, because the mean of its divisors is an integer number (3584630800).

Almost surely, 2^14334121621 is an apocalyptic number.

It is an amenable number.

14334121621 is a deficient number, since it is larger than the sum of its proper divisors (4401579).

14334121621 is an equidigital number, since it uses as much as digits as its factorization.

14334121621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401578.

The product of its digits is 3456, while the sum is 28.

Adding to 14334121621 its reverse (12612143341), we get a palindrome (26946264962).

The spelling of 14334121621 in words is "fourteen billion, three hundred thirty-four million, one hundred twenty-one thousand, six hundred twenty-one".