2989566133 has 2 divisors, whose sum is σ = 2989566134. Its totient is φ = 2989566132.

The previous prime is 2989566113. The next prime is 2989566137. The reversal of 2989566133 is 3316659892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2151289924 + 838276209 = 46382^2 + 28953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2989566133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2989566137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494783066 + 1494783067.

It is an arithmetic number, because the mean of its divisors is an integer number (1494783067).

Almost surely, 2^2989566133 is an apocalyptic number.

It is an amenable number.

2989566133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989566133 is an equidigital number, since it uses as much as digits as its factorization.

2989566133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 52.

The square root of 2989566133 is about 54676.9250507012. The cubic root of 2989566133 is about 1440.5756014531.

The spelling of 2989566133 in words is "two billion, nine hundred eighty-nine million, five hundred sixty-six thousand, one hundred thirty-three".