213330009 has 8 divisors (see below), whose sum is σ = 291055072. Its totient is φ = 138912480.

The previous prime is 213329983. The next prime is 213330023. The reversal of 213330009 is 900033312.

213330009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213330009 - 2⁷ = 213329881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213330109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826732 + ... + 826989.

It is an arithmetic number, because the mean of its divisors is an integer number (36381884).

Almost surely, 2^213330009 is an apocalyptic number.

It is an amenable number.

213330009 is a deficient number, since it is larger than the sum of its proper divisors (77725063).

213330009 is a wasteful number, since it uses less digits than its factorization.

213330009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653767.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 213330009 is about 14605.8210655889. The cubic root of 213330009 is about 597.5175291742.

The spelling of 213330009 in words is "two hundred thirteen million, three hundred thirty thousand, nine".