2321530439 has 2 divisors, whose sum is σ = 2321530440. Its totient is φ = 2321530438.

The previous prime is 2321530429. The next prime is 2321530469. The reversal of 2321530439 is 9340351232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321530439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321530429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160765219 + 1160765220.

It is an arithmetic number, because the mean of its divisors is an integer number (1160765220).

Almost surely, 2^2321530439 is an apocalyptic number.

2321530439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321530439 is an equidigital number, since it uses as much as digits as its factorization.

2321530439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 2321530439 is about 48182.2627011227. The cubic root of 2321530439 is about 1324.1122215357.

The spelling of 2321530439 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, four hundred thirty-nine".