14210243421 has 32 divisors (see below), whose sum is σ = 21496934400. Its totient is φ = 8273378880.

The previous prime is 14210243371. The next prime is 14210243429. The reversal of 14210243421 is 12434201241.

It is not a de Polignac number, because 14210243421 - 2¹⁷ = 14210112349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14210243391 and 14210243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14210243429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22800 + ... + 170118.

It is an arithmetic number, because the mean of its divisors is an integer number (671779200).

Almost surely, 2^14210243421 is an apocalyptic number.

14210243421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14210243421 is a deficient number, since it is larger than the sum of its proper divisors (7286690979).

14210243421 is a wasteful number, since it uses less digits than its factorization.

14210243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147449.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 14210243421 its reverse (12434201241), we get a palindrome (26644444662).

The spelling of 14210243421 in words is "fourteen billion, two hundred ten million, two hundred forty-three thousand, four hundred twenty-one".