9404323822609 has 9 divisors (see below), whose sum is σ = 9990115634811. Its totient is φ = 8851079237280.

The previous prime is 9404323822589. The next prime is 9404323822627. The reversal of 9404323822609 is 9062283234049.

The square root of 9404323822609 is 3066647.

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., 7321705398225 + 2082618424384 = 2705865^2 + 1443128^2 .

It is not a de Polignac number, because 9404323822609 - 2¹⁵ = 9404323789841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9404323822639) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52042804 + ... + 52223194.

Almost surely, 2^{9404323822609} is an apocalyptic number.

9404323822609 is the 3066647-th square number.

9404323822609 is the 1533324-th centered octagonal number.

It is an amenable number.

9404323822609 is a deficient number, since it is larger than the sum of its proper divisors (585791812202).

9404323822609 is an frugal number, since it uses more digits than its factorization.

9404323822609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360816 (or 180408 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 9404323822609 in words is "nine trillion, four hundred four billion, three hundred twenty-three million, eight hundred twenty-two thousand, six hundred nine".