2133119809 has 2 divisors, whose sum is σ = 2133119810. Its totient is φ = 2133119808.

The previous prime is 2133119801. The next prime is 2133119839. The reversal of 2133119809 is 9089113312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088764209 + 44355600 = 45703^2 + 6660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133119809 - 2³ = 2133119801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2133119801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066559904 + 1066559905.

It is an arithmetic number, because the mean of its divisors is an integer number (1066559905).

Almost surely, 2^2133119809 is an apocalyptic number.

It is an amenable number.

2133119809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133119809 is an equidigital number, since it uses as much as digits as its factorization.

2133119809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2133119809 is about 46185.7100086163. The cubic root of 2133119809 is about 1287.2762289834.

The spelling of 2133119809 in words is "two billion, one hundred thirty-three million, one hundred nineteen thousand, eight hundred nine".