214004443421 has 4 divisors (see below), whose sum is σ = 225267835200. Its totient is φ = 202741051644.

The previous prime is 214004443399. The next prime is 214004443469. The reversal of 214004443421 is 124344400412.

214004443421 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 214004443421 - 2⁶ = 214004443357 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 (214004443021) 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, 5631695861 + ... + 5631695898.

It is an arithmetic number, because the mean of its divisors is an integer number (56316958800).

Almost surely, 2^214004443421 is an apocalyptic number.

It is an amenable number.

214004443421 is a deficient number, since it is larger than the sum of its proper divisors (11263391779).

214004443421 is a wasteful number, since it uses less digits than its factorization.

214004443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263391778.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 214004443421 its reverse (124344400412), we get a palindrome (338348843833).

The spelling of 214004443421 in words is "two hundred fourteen billion, four million, four hundred forty-three thousand, four hundred twenty-one".