4447149109 has 8 divisors (see below), whose sum is σ = 4794361880. Its totient is φ = 4100668416.

The previous prime is 4447149089. The next prime is 4447149121. The reversal of 4447149109 is 9019417444.

4447149109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 493506225 + 3953642884 = 22215^2 + 62878^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4447149109 - 2¹⁵ = 4447116341 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 (4447149149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170364 + ... + 194725.

It is an arithmetic number, because the mean of its divisors is an integer number (599295235).

Almost surely, 2^4447149109 is an apocalyptic number.

It is an amenable number.

4447149109 is a deficient number, since it is larger than the sum of its proper divisors (347212771).

4447149109 is a wasteful number, since it uses less digits than its factorization.

4447149109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366039.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4447149109 is about 66686.9485656676. The cubic root of 4447149109 is about 1644.4748290758.

The spelling of 4447149109 in words is "four billion, four hundred forty-seven million, one hundred forty-nine thousand, one hundred nine".