2321533609 has 2 divisors, whose sum is σ = 2321533610. Its totient is φ = 2321533608.

The previous prime is 2321533561. The next prime is 2321533667. The reversal of 2321533609 is 9063351232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2043311209 + 278222400 = 45203^2 + 16680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321533609 - 2¹⁹ = 2321009321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321533679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160766804 + 1160766805.

It is an arithmetic number, because the mean of its divisors is an integer number (1160766805).

Almost surely, 2^2321533609 is an apocalyptic number.

It is an amenable number.

2321533609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321533609 is an equidigital number, since it uses as much as digits as its factorization.

2321533609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 2321533609 is about 48182.2955970344. The cubic root of 2321533609 is about 1324.1128242177.

The spelling of 2321533609 in words is "two billion, three hundred twenty-one million, five hundred thirty-three thousand, six hundred nine".