44919109 has 2 divisors, whose sum is σ = 44919110. Its totient is φ = 44919108.

The previous prime is 44919107. The next prime is 44919131. The reversal of 44919109 is 90191944.

44919109 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., 23961025 + 20958084 = 4895^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 44919109 - 2¹ = 44919107 is a prime.

Together with 44919107, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44919103) 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, 22459554 + 22459555.

It is an arithmetic number, because the mean of its divisors is an integer number (22459555).

Almost surely, 2^44919109 is an apocalyptic number.

It is an amenable number.

44919109 is a deficient number, since it is larger than the sum of its proper divisors (1).

44919109 is an equidigital number, since it uses as much as digits as its factorization.

44919109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 44919109 is about 6702.1719613868. The cubic root of 44919109 is about 355.4760762055.

The spelling of 44919109 in words is "forty-four million, nine hundred nineteen thousand, one hundred nine".