9044773547209 has 27 divisors (see below), whose sum is σ = 10141510627911. Its totient is φ = 8063823579840.

The previous prime is 9044773547197. The next prime is 9044773547273. The reversal of 9044773547209 is 9027453774409.

The square root of 9044773547209 is 3007453.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7041778713225 + 2002994833984 = 2653635^2 + 1415272^2 .

It is not a de Polignac number, because 9044773547209 - 2⁷ = 9044773547081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9044773547279) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 971402664 + ... + 971411974.

Almost surely, 2^{9044773547209} is an apocalyptic number.

9044773547209 is the 3007453-rd square number.

9044773547209 is the 1503727-th centered octagonal number.

It is an amenable number.

9044773547209 is a deficient number, since it is larger than the sum of its proper divisors (1096737080702).

9044773547209 is an frugal number, since it uses more digits than its factorization.

9044773547209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 9044773547209 in words is "nine trillion, forty-four billion, seven hundred seventy-three million, five hundred forty-seven thousand, two hundred nine".