13420142443 has 2 divisors, whose sum is σ = 13420142444. Its totient is φ = 13420142442.

The previous prime is 13420142381. The next prime is 13420142467. The reversal of 13420142443 is 34424102431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13420142443 - 2¹³ = 13420134251 is a prime.

It is not a weakly prime, because it can be changed into another prime (13420142473) 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 as a sum of consecutive naturals, namely, 6710071221 + 6710071222.

It is an arithmetic number, because the mean of its divisors is an integer number (6710071222).

Almost surely, 2^13420142443 is an apocalyptic number.

13420142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420142443 is an equidigital number, since it uses as much as digits as its factorization.

13420142443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13420142443 its reverse (34424102431), we get a palindrome (47844244874).

The spelling of 13420142443 in words is "thirteen billion, four hundred twenty million, one hundred forty-two thousand, four hundred forty-three".