10423544189 has 2 divisors, whose sum is σ = 10423544190. Its totient is φ = 10423544188.

The previous prime is 10423544167. The next prime is 10423544249. The reversal of 10423544189 is 98144532401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6438778564 + 3984765625 = 80242^2 + 63125^2 .

It is a cyclic number.

It is not a de Polignac number, because 10423544189 - 2²⁰ = 10422495613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10423544149) 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, 5211772094 + 5211772095.

It is an arithmetic number, because the mean of its divisors is an integer number (5211772095).

Almost surely, 2^10423544189 is an apocalyptic number.

It is an amenable number.

10423544189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423544189 is an equidigital number, since it uses as much as digits as its factorization.

10423544189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 10423544189 in words is "ten billion, four hundred twenty-three million, five hundred forty-four thousand, one hundred eighty-nine".