14321245421 has 16 divisors (see below), whose sum is σ = 17822659200. Its totient is φ = 11228269248.

The previous prime is 14321245399. The next prime is 14321245447. The reversal of 14321245421 is 12454212341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14321245421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14321245721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1852670 + ... + 1860383.

It is an arithmetic number, because the mean of its divisors is an integer number (1113916200).

Almost surely, 2^14321245421 is an apocalyptic number.

It is an amenable number.

14321245421 is a deficient number, since it is larger than the sum of its proper divisors (3501413779).

14321245421 is a wasteful number, since it uses less digits than its factorization.

14321245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713108.

The product of its digits is 7680, while the sum is 29.

Adding to 14321245421 its reverse (12454212341), we get a palindrome (26775457762).

The spelling of 14321245421 in words is "fourteen billion, three hundred twenty-one million, two hundred forty-five thousand, four hundred twenty-one".