428573765601833 has 2 divisors, whose sum is σ = 428573765601834. Its totient is φ = 428573765601832.

The previous prime is 428573765601791. The next prime is 428573765601923. The reversal of 428573765601833 is 338106567375824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313855699336729 + 114718066265104 = 17715973^2 + 10710652^2 .

It is a cyclic number.

It is not a de Polignac number, because 428573765601833 - 2¹⁸ = 428573765339689 is a prime.

It is not a weakly prime, because it can be changed into another prime (428573765604833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214286882800916 + 214286882800917.

It is an arithmetic number, because the mean of its divisors is an integer number (214286882800917).

Almost surely, 2^{428573765601833} is an apocalyptic number.

It is an amenable number.

428573765601833 is a deficient number, since it is larger than the sum of its proper divisors (1).

428573765601833 is an equidigital number, since it uses as much as digits as its factorization.

428573765601833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 609638400, while the sum is 68.

The spelling of 428573765601833 in words is "four hundred twenty-eight trillion, five hundred seventy-three billion, seven hundred sixty-five million, six hundred one thousand, eight hundred thirty-three".