14213322421 has 4 divisors (see below), whose sum is σ = 14213561344. Its totient is φ = 14213083500.

The previous prime is 14213322353. The next prime is 14213322427. The reversal of 14213322421 is 12422331241.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14213322421 - 2⁹ = 14213321909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213322427) 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 in 3 ways as a sum of consecutive naturals, for example, 48346 + ... + 175396.

It is an arithmetic number, because the mean of its divisors is an integer number (3553390336).

Almost surely, 2^14213322421 is an apocalyptic number.

It is an amenable number.

14213322421 is a deficient number, since it is larger than the sum of its proper divisors (238923).

14213322421 is a wasteful number, since it uses less digits than its factorization.

14213322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238922.

The product of its digits is 2304, while the sum is 25.

Adding to 14213322421 its reverse (12422331241), we get a palindrome (26635653662).

The spelling of 14213322421 in words is "fourteen billion, two hundred thirteen million, three hundred twenty-two thousand, four hundred twenty-one".