233643536032861 has 2 divisors, whose sum is σ = 233643536032862. Its totient is φ = 233643536032860.

The previous prime is 233643536032847. The next prime is 233643536032913. The reversal of 233643536032861 is 168230635346332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233527115180836 + 116420852025 = 15281594^2 + 341205^2 .

It is a cyclic number.

It is not a de Polignac number, because 233643536032861 - 2⁹ = 233643536032349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233643536032831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116821768016430 + 116821768016431.

It is an arithmetic number, because the mean of its divisors is an integer number (116821768016431).

Almost surely, 2^{233643536032861} is an apocalyptic number.

It is an amenable number.

233643536032861 is a deficient number, since it is larger than the sum of its proper divisors (1).

233643536032861 is an equidigital number, since it uses as much as digits as its factorization.

233643536032861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 55.

The spelling of 233643536032861 in words is "two hundred thirty-three trillion, six hundred forty-three billion, five hundred thirty-six million, thirty-two thousand, eight hundred sixty-one".