9043339021 has 4 divisors (see below), whose sum is σ = 9046829212. Its totient is φ = 9039848832.

The previous prime is 9043339007. The next prime is 9043339031. The reversal of 9043339021 is 1209333409.

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 3479820100 + 5563518921 = 58990^2 + 74589^2 .

It is a cyclic number.

It is not a de Polignac number, because 9043339021 - 2²⁷ = 8909121293 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 (9043339001) 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, 1741206 + ... + 1746391.

It is an arithmetic number, because the mean of its divisors is an integer number (2261707303).

Almost surely, 2^9043339021 is an apocalyptic number.

It is an amenable number.

9043339021 is a deficient number, since it is larger than the sum of its proper divisors (3490191).

9043339021 is a wasteful number, since it uses less digits than its factorization.

9043339021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490190.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 9043339021 is about 95096.4721795714. The cubic root of 9043339021 is about 2083.4173223157.

The spelling of 9043339021 in words is "nine billion, forty-three million, three hundred thirty-nine thousand, twenty-one".