9043921273 has 4 divisors (see below), whose sum is σ = 9575916660. Its totient is φ = 8511925888.

The previous prime is 9043921267. The next prime is 9043921297. The reversal of 9043921273 is 3721293409.

9043921273 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7134843024 + 1909078249 = 84468^2 + 43693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9043921273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9043921673) 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, 265997668 + ... + 265997701.

It is an arithmetic number, because the mean of its divisors is an integer number (2393979165).

Almost surely, 2^9043921273 is an apocalyptic number.

It is an amenable number.

9043921273 is a deficient number, since it is larger than the sum of its proper divisors (531995387).

9043921273 is a wasteful number, since it uses less digits than its factorization.

9043921273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531995386.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 9043921273 is about 95099.5335056908. The cubic root of 9043921273 is about 2083.4620347044.

The spelling of 9043921273 in words is "nine billion, forty-three million, nine hundred twenty-one thousand, two hundred seventy-three".