228730928633 has 2 divisors, whose sum is σ = 228730928634. Its totient is φ = 228730928632.

The previous prime is 228730928623. The next prime is 228730928663. The reversal of 228730928633 is 336829037822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225351482944 + 3379445689 = 474712^2 + 58133^2 .

It is a cyclic number.

It is not a de Polignac number, because 228730928633 - 2¹⁰ = 228730927609 is a prime.

It is not a weakly prime, because it can be changed into another prime (228730928623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114365464316 + 114365464317.

It is an arithmetic number, because the mean of its divisors is an integer number (114365464317).

Almost surely, 2^228730928633 is an apocalyptic number.

It is an amenable number.

228730928633 is a deficient number, since it is larger than the sum of its proper divisors (1).

228730928633 is an equidigital number, since it uses as much as digits as its factorization.

228730928633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 228730928633 in words is "two hundred twenty-eight billion, seven hundred thirty million, nine hundred twenty-eight thousand, six hundred thirty-three".