236728469573 has 2 divisors, whose sum is σ = 236728469574. Its totient is φ = 236728469572.

The previous prime is 236728469567. The next prime is 236728469591. The reversal of 236728469573 is 375964827632.

236728469573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168072941089 + 68655528484 = 409967^2 + 262022^2 .

It is a cyclic number.

It is not a de Polignac number, because 236728469573 - 2⁸ = 236728469317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236728469503) 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, 118364234786 + 118364234787.

It is an arithmetic number, because the mean of its divisors is an integer number (118364234787).

Almost surely, 2^236728469573 is an apocalyptic number.

It is an amenable number.

236728469573 is a deficient number, since it is larger than the sum of its proper divisors (1).

236728469573 is an equidigital number, since it uses as much as digits as its factorization.

236728469573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 62.

The spelling of 236728469573 in words is "two hundred thirty-six billion, seven hundred twenty-eight million, four hundred sixty-nine thousand, five hundred seventy-three".