236215342609 has 2 divisors, whose sum is σ = 236215342610. Its totient is φ = 236215342608.

The previous prime is 236215342553. The next prime is 236215342619. The reversal of 236215342609 is 906243512632.

236215342609 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., 179180350209 + 57034992400 = 423297^2 + 238820^2 .

It is a cyclic number.

It is not a de Polignac number, because 236215342609 - 2³¹ = 234067858961 is a prime.

It is not a weakly prime, because it can be changed into another prime (236215342619) 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, 118107671304 + 118107671305.

It is an arithmetic number, because the mean of its divisors is an integer number (118107671305).

Almost surely, 2^236215342609 is an apocalyptic number.

It is an amenable number.

236215342609 is a deficient number, since it is larger than the sum of its proper divisors (1).

236215342609 is an equidigital number, since it uses as much as digits as its factorization.

236215342609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 236215342609 in words is "two hundred thirty-six billion, two hundred fifteen million, three hundred forty-two thousand, six hundred nine".