14243421420 has 72 divisors (see below), whose sum is σ = 43215323424. Its totient is φ = 3797342208.

The previous prime is 14243421407. The next prime is 14243421433. The reversal of 14243421420 is 2412434241.

14243421420 is a `hidden beast` number, since 1 + 424 + 3 + 4 + 214 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (14243421407) and next prime (14243421433).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1134417 + ... + 1146903.

Almost surely, 2^14243421420 is an apocalyptic number.

14243421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14243421420 is an abundant number, since it is smaller than the sum of its proper divisors (28971902004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14243421420 is a wasteful number, since it uses less digits than its factorization.

14243421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18839 (or 18834 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 14243421420 its reverse (2412434241), we get a palindrome (16655855661).

The spelling of 14243421420 in words is "fourteen billion, two hundred forty-three million, four hundred twenty-one thousand, four hundred twenty".