13430424221543 has 16 divisors (see below), whose sum is σ = 15504239708160. Its totient is φ = 11395451844000.

The previous prime is 13430424221537. The next prime is 13430424221551. The reversal of 13430424221543 is 34512242403431.

It is a happy number.

It is not a de Polignac number, because 13430424221543 - 2¹⁸ = 13430423959399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13430424221497 and 13430424221506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430424221593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449428 + ... + 5381606.

It is an arithmetic number, because the mean of its divisors is an integer number (969014981760).

Almost surely, 2^{13430424221543} is an apocalyptic number.

13430424221543 is a deficient number, since it is larger than the sum of its proper divisors (2073815486617).

13430424221543 is a wasteful number, since it uses less digits than its factorization.

13430424221543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937118.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 13430424221543 its reverse (34512242403431), we get a palindrome (47942666624974).

The spelling of 13430424221543 in words is "thirteen trillion, four hundred thirty billion, four hundred twenty-four million, two hundred twenty-one thousand, five hundred forty-three".