4444132909 has 4 divisors (see below), whose sum is σ = 4505011516. Its totient is φ = 4383254304.

The previous prime is 4444132907. The next prime is 4444132939. The reversal of 4444132909 is 9092314444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1200830409 + 3243302500 = 34653^2 + 56950^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444132909 - 2¹ = 4444132907 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 (4444132907) 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 in 3 ways as a sum of consecutive naturals, for example, 30439194 + ... + 30439339.

It is an arithmetic number, because the mean of its divisors is an integer number (1126252879).

Almost surely, 2^4444132909 is an apocalyptic number.

It is an amenable number.

4444132909 is a deficient number, since it is larger than the sum of its proper divisors (60878607).

4444132909 is an equidigital number, since it uses as much as digits as its factorization.

4444132909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60878606.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 4444132909 is about 66664.3301098871. The cubic root of 4444132909 is about 1644.1029663656.

The spelling of 4444132909 in words is "four billion, four hundred forty-four million, one hundred thirty-two thousand, nine hundred nine".