2132312209 has 2 divisors, whose sum is σ = 2132312210. Its totient is φ = 2132312208.

The previous prime is 2132312207. The next prime is 2132312233. The reversal of 2132312209 is 9022132312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045300625 + 87011584 = 45225^2 + 9328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132312209 - 2¹ = 2132312207 is a prime.

Together with 2132312207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2132312201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066156104 + 1066156105.

It is an arithmetic number, because the mean of its divisors is an integer number (1066156105).

Almost surely, 2^2132312209 is an apocalyptic number.

It is an amenable number.

2132312209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132312209 is an equidigital number, since it uses as much as digits as its factorization.

2132312209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2132312209 is about 46176.9662169355. The cubic root of 2132312209 is about 1287.1137540482.

The spelling of 2132312209 in words is "two billion, one hundred thirty-two million, three hundred twelve thousand, two hundred nine".