2133446609 has 4 divisors (see below), whose sum is σ = 2438224704. Its totient is φ = 1828668516.

The previous prime is 2133446593. The next prime is 2133446617. The reversal of 2133446609 is 9066443312.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2133446609 - 2⁴ = 2133446593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132446609) 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, 152389037 + ... + 152389050.

It is an arithmetic number, because the mean of its divisors is an integer number (609556176).

Almost surely, 2^2133446609 is an apocalyptic number.

It is an amenable number.

2133446609 is a deficient number, since it is larger than the sum of its proper divisors (304778095).

2133446609 is an equidigital number, since it uses as much as digits as its factorization.

2133446609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304778094.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 2133446609 is about 46189.2477639548. The cubic root of 2133446609 is about 1287.3419637488.

The spelling of 2133446609 in words is "two billion, one hundred thirty-three million, four hundred forty-six thousand, six hundred nine".