9404632213 has 18 divisors (see below), whose sum is σ = 9815799266. Its totient is φ = 9004096224.

The previous prime is 9404632177. The next prime is 9404632231. The reversal of 9404632213 is 3122364049.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 315488644 + 9089143569 = 17762^2 + 95337^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9404632213 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 (9404632243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63118263 + ... + 63118411.

Almost surely, 2^9404632213 is an apocalyptic number.

It is an amenable number.

9404632213 is a deficient number, since it is larger than the sum of its proper divisors (411167053).

9404632213 is an equidigital number, since it uses as much as digits as its factorization.

9404632213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 9404632213 is about 96977.4830205445. The cubic root of 9404632213 is about 2110.8009068452.

The spelling of 9404632213 in words is "nine billion, four hundred four million, six hundred thirty-two thousand, two hundred thirteen".