500434017689 has 2 divisors, whose sum is σ = 500434017690. Its totient is φ = 500434017688.

The previous prime is 500434017683. The next prime is 500434017749. The reversal of 500434017689 is 986710434005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453916155289 + 46517862400 = 673733^2 + 215680^2 .

It is a cyclic number.

It is not a de Polignac number, because 500434017689 - 2¹⁶ = 500433952153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (500434017683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250217008844 + 250217008845.

It is an arithmetic number, because the mean of its divisors is an integer number (250217008845).

Almost surely, 2^500434017689 is an apocalyptic number.

It is an amenable number.

500434017689 is a deficient number, since it is larger than the sum of its proper divisors (1).

500434017689 is an equidigital number, since it uses as much as digits as its factorization.

500434017689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 500434017689 in words is "five hundred billion, four hundred thirty-four million, seventeen thousand, six hundred eighty-nine".