9444774449 has 4 divisors (see below), whose sum is σ = 10303390320. Its totient is φ = 8586158580.

The previous prime is 9444774421. The next prime is 9444774523.

It is a happy number.

9444774449 is nontrivially palindromic in base 10.

9444774449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9444774449 - 2¹² = 9444770353 is a prime.

It is a super-3 number, since 3×9444774449³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9444774394 and 9444774403.

It is not an unprimeable number, because it can be changed into a prime (9444774149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429307919 + ... + 429307940.

It is an arithmetic number, because the mean of its divisors is an integer number (2575847580).

Almost surely, 2^9444774449 is an apocalyptic number.

It is an amenable number.

9444774449 is a deficient number, since it is larger than the sum of its proper divisors (858615871).

9444774449 is a wasteful number, since it uses less digits than its factorization.

9444774449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858615870.

The product of its digits is 16257024, while the sum is 56.

The square root of 9444774449 is about 97184.2294253548. The cubic root of 9444774449 is about 2113.7998544460.

The spelling of 9444774449 in words is "nine billion, four hundred forty-four million, seven hundred seventy-four thousand, four hundred forty-nine".