1044243148189 has 2 divisors, whose sum is σ = 1044243148190. Its totient is φ = 1044243148188.

The previous prime is 1044243148183. The next prime is 1044243148229. The reversal of 1044243148189 is 9818413424401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012659816100 + 31583332089 = 1006310^2 + 177717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044243148189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044243148183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522121574094 + 522121574095.

It is an arithmetic number, because the mean of its divisors is an integer number (522121574095).

Almost surely, 2^{1044243148189} is an apocalyptic number.

It is an amenable number.

1044243148189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044243148189 is an equidigital number, since it uses as much as digits as its factorization.

1044243148189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 1044243148189 in words is "one trillion, forty-four billion, two hundred forty-three million, one hundred forty-eight thousand, one hundred eighty-nine".