44381715109 has 6 divisors (see below), whose sum is σ = 45015618950. Its totient is φ = 43756615560.

The previous prime is 44381715107. The next prime is 44381715113. The reversal of 44381715109 is 90151718344.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27720585025 + 16661130084 = 166495^2 + 129078^2 .

It is not a de Polignac number, because 44381715109 - 2¹ = 44381715107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44381715107) 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 in 5 ways as a sum of consecutive naturals, for example, 4397034 + ... + 4407115.

Almost surely, 2^44381715109 is an apocalyptic number.

It is an amenable number.

44381715109 is a deficient number, since it is larger than the sum of its proper divisors (633903841).

44381715109 is an frugal number, since it uses more digits than its factorization.

44381715109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804291 (or 8804220 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 44381715109 in words is "forty-four billion, three hundred eighty-one million, seven hundred fifteen thousand, one hundred nine".