2321162209 has 2 divisors, whose sum is σ = 2321162210. Its totient is φ = 2321162208.

The previous prime is 2321162203. The next prime is 2321162213. The reversal of 2321162209 is 9022611232.

2321162209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971360000 + 349802209 = 44400^2 + 18703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321162209 - 2⁹ = 2321161697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321162203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160581104 + 1160581105.

It is an arithmetic number, because the mean of its divisors is an integer number (1160581105).

Almost surely, 2^2321162209 is an apocalyptic number.

It is an amenable number.

2321162209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321162209 is an equidigital number, since it uses as much as digits as its factorization.

2321162209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2321162209 is about 48178.4413301219. The cubic root of 2321162209 is about 1324.0422097285.

The spelling of 2321162209 in words is "two billion, three hundred twenty-one million, one hundred sixty-two thousand, two hundred nine".