14543103421 has 12 divisors (see below), whose sum is σ = 18455441760. Its totient is φ = 11332287960.

The previous prime is 14543103409. The next prime is 14543103431. The reversal of 14543103421 is 12430134541.

It is not a de Polignac number, because 14543103421 - 2⁹ = 14543102909 is a prime.

It is a super-2 number, since 2×14543103421² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14543103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14543103431) 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 11 ways as a sum of consecutive naturals, for example, 13490281 + ... + 13491358.

It is an arithmetic number, because the mean of its divisors is an integer number (1537953480).

Almost surely, 2^14543103421 is an apocalyptic number.

14543103421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14543103421 is a deficient number, since it is larger than the sum of its proper divisors (3912338339).

14543103421 is a wasteful number, since it uses less digits than its factorization.

14543103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26981664 (or 26981657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 14543103421 its reverse (12430134541), we get a palindrome (26973237962).

The spelling of 14543103421 in words is "fourteen billion, five hundred forty-three million, one hundred three thousand, four hundred twenty-one".