9144448909 has 4 divisors (see below), whose sum is σ = 9149567904. Its totient is φ = 9139329916.

The previous prime is 9144448891. The next prime is 9144448931. The reversal of 9144448909 is 9098444419.

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 9144448909 - 2¹⁷ = 9144317837 is a prime.

It is a super-2 number, since 2×9144448909² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144448309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556817 + ... + 2560390.

It is an arithmetic number, because the mean of its divisors is an integer number (2287391976).

Almost surely, 2^9144448909 is an apocalyptic number.

It is an amenable number.

9144448909 is a deficient number, since it is larger than the sum of its proper divisors (5118995).

9144448909 is a wasteful number, since it uses less digits than its factorization.

9144448909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118994.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 9144448909 is about 95626.6119288977. The cubic root of 9144448909 is about 2091.1531764017.

The spelling of 9144448909 in words is "nine billion, one hundred forty-four million, four hundred forty-eight thousand, nine hundred nine".