2133230009 has 4 divisors (see below), whose sum is σ = 2133330816. Its totient is φ = 2133129204.

The previous prime is 2133229999. The next prime is 2133230027. The reversal of 2133230009 is 9000323312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2133230009 - 2⁴ = 2133229993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133230509) 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, 5069 + ... + 65514.

It is an arithmetic number, because the mean of its divisors is an integer number (533332704).

Almost surely, 2^2133230009 is an apocalyptic number.

It is an amenable number.

2133230009 is a deficient number, since it is larger than the sum of its proper divisors (100807).

2133230009 is an equidigital number, since it uses as much as digits as its factorization.

2133230009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100806.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2133230009 is about 46186.9030029077. The cubic root of 2133230009 is about 1287.2983961080.

The spelling of 2133230009 in words is "two billion, one hundred thirty-three million, two hundred thirty thousand, nine".