10443421189 has 2 divisors, whose sum is σ = 10443421190. Its totient is φ = 10443421188.

The previous prime is 10443421171. The next prime is 10443421213. The reversal of 10443421189 is 98112434401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6617009025 + 3826412164 = 81345^2 + 61858^2 .

It is an emirp because it is prime and its reverse (98112434401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10443421189 - 2⁷ = 10443421061 is a prime.

It is a super-2 number, since 2×10443421189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10443421129) 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 as a sum of consecutive naturals, namely, 5221710594 + 5221710595.

It is an arithmetic number, because the mean of its divisors is an integer number (5221710595).

Almost surely, 2^10443421189 is an apocalyptic number.

It is an amenable number.

10443421189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10443421189 is an equidigital number, since it uses as much as digits as its factorization.

10443421189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 10443421189 in words is "ten billion, four hundred forty-three million, four hundred twenty-one thousand, one hundred eighty-nine".