44381749 has 2 divisors, whose sum is σ = 44381750. Its totient is φ = 44381748.

The previous prime is 44381731. The next prime is 44381783. The reversal of 44381749 is 94718344.

44381749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 12909649 = 5610^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 44381749 - 2⁵ = 44381717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44381149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22190874 + 22190875.

It is an arithmetic number, because the mean of its divisors is an integer number (22190875).

Almost surely, 2^44381749 is an apocalyptic number.

It is an amenable number.

44381749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44381749 is an equidigital number, since it uses as much as digits as its factorization.

44381749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 44381749 is about 6661.9628488907. The cubic root of 44381749 is about 354.0528850522.

The spelling of 44381749 in words is "forty-four million, three hundred eighty-one thousand, seven hundred forty-nine".