2133230509 has 2 divisors, whose sum is σ = 2133230510. Its totient is φ = 2133230508.

The previous prime is 2133230507. The next prime is 2133230513. The reversal of 2133230509 is 9050323312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1911875625 + 221354884 = 43725^2 + 14878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133230509 - 2¹ = 2133230507 is a prime.

Together with 2133230507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133230507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066615254 + 1066615255.

It is an arithmetic number, because the mean of its divisors is an integer number (1066615255).

Almost surely, 2^2133230509 is an apocalyptic number.

It is an amenable number.

2133230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133230509 is an equidigital number, since it uses as much as digits as its factorization.

2133230509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 2133230509 is about 46186.9084156972. The cubic root of 2133230509 is about 1287.2984966831.

The spelling of 2133230509 in words is "two billion, one hundred thirty-three million, two hundred thirty thousand, five hundred nine".