2044442149 has 2 divisors, whose sum is σ = 2044442150. Its totient is φ = 2044442148.

The previous prime is 2044442137. The next prime is 2044442177. The reversal of 2044442149 is 9412444402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1676493025 + 367949124 = 40945^2 + 19182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044442149 - 2⁷ = 2044442021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044442249) 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, 1022221074 + 1022221075.

It is an arithmetic number, because the mean of its divisors is an integer number (1022221075).

Almost surely, 2^2044442149 is an apocalyptic number.

It is an amenable number.

2044442149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044442149 is an equidigital number, since it uses as much as digits as its factorization.

2044442149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 2044442149 is about 45215.5078374666. The cubic root of 2044442149 is about 1269.1850329735.

The spelling of 2044442149 in words is "two billion, forty-four million, four hundred forty-two thousand, one hundred forty-nine".