14421143431 has 4 divisors (see below), whose sum is σ = 15180151000. Its totient is φ = 13662135864.

The previous prime is 14421143311. The next prime is 14421143467. The reversal of 14421143431 is 13434112441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13434112441 = 8297 ⋅1619153.

It is a cyclic number.

It is not a de Polignac number, because 14421143431 - 2²³ = 14412754823 is a prime.

It is a super-2 number, since 2×14421143431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14421143431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421143131) 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, 379503756 + ... + 379503793.

It is an arithmetic number, because the mean of its divisors is an integer number (3795037750).

Almost surely, 2^14421143431 is an apocalyptic number.

14421143431 is a deficient number, since it is larger than the sum of its proper divisors (759007569).

14421143431 is an equidigital number, since it uses as much as digits as its factorization.

14421143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759007568.

The product of its digits is 4608, while the sum is 28.

Adding to 14421143431 its reverse (13434112441), we get a palindrome (27855255872).

The spelling of 14421143431 in words is "fourteen billion, four hundred twenty-one million, one hundred forty-three thousand, four hundred thirty-one".