1044123354149 has 2 divisors, whose sum is σ = 1044123354150. Its totient is φ = 1044123354148.

The previous prime is 1044123354119. The next prime is 1044123354163. The reversal of 1044123354149 is 9414533214401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990920702500 + 53202651649 = 995450^2 + 230657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044123354149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044123354119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522061677074 + 522061677075.

It is an arithmetic number, because the mean of its divisors is an integer number (522061677075).

Almost surely, 2^{1044123354149} is an apocalyptic number.

It is an amenable number.

1044123354149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044123354149 is an equidigital number, since it uses as much as digits as its factorization.

1044123354149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1044123354149 in words is "one trillion, forty-four billion, one hundred twenty-three million, three hundred fifty-four thousand, one hundred forty-nine".