14143443421 has 8 divisors (see below), whose sum is σ = 14906208800. Its totient is φ = 13382515440.

The previous prime is 14143443409. The next prime is 14143443449. The reversal of 14143443421 is 12434434141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14143443421 - 2⁵ = 14143443389 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 (14143443401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443526 + ... + 474343.

It is an arithmetic number, because the mean of its divisors is an integer number (1863276100).

Almost surely, 2^14143443421 is an apocalyptic number.

It is an amenable number.

14143443421 is a deficient number, since it is larger than the sum of its proper divisors (762765379).

14143443421 is an equidigital number, since it uses as much as digits as its factorization.

14143443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918699.

The product of its digits is 18432, while the sum is 31.

Adding to 14143443421 its reverse (12434434141), we get a palindrome (26577877562).

The spelling of 14143443421 in words is "fourteen billion, one hundred forty-three million, four hundred forty-three thousand, four hundred twenty-one".