2330216561 has 2 divisors, whose sum is σ = 2330216562. Its totient is φ = 2330216560.

The previous prime is 2330216543. The next prime is 2330216611. The reversal of 2330216561 is 1656120332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2328641536 + 1575025 = 48256^2 + 1255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2330216561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2330216501) 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, 1165108280 + 1165108281.

It is an arithmetic number, because the mean of its divisors is an integer number (1165108281).

Almost surely, 2^2330216561 is an apocalyptic number.

It is an amenable number.

2330216561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330216561 is an equidigital number, since it uses as much as digits as its factorization.

2330216561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2330216561 is about 48272.3167146554. The cubic root of 2330216561 is about 1325.7615768480.

Adding to 2330216561 its reverse (1656120332), we get a palindrome (3986336893).

The spelling of 2330216561 in words is "two billion, three hundred thirty million, two hundred sixteen thousand, five hundred sixty-one".