650050566589 has 2 divisors, whose sum is σ = 650050566590. Its totient is φ = 650050566588.

The previous prime is 650050566491. The next prime is 650050566619. The reversal of 650050566589 is 985665050056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393452598564 + 256597968025 = 627258^2 + 506555^2 .

It is a cyclic number.

It is not a de Polignac number, because 650050566589 - 2²⁵ = 650017012157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650050566289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325025283294 + 325025283295.

It is an arithmetic number, because the mean of its divisors is an integer number (325025283295).

Almost surely, 2^650050566589 is an apocalyptic number.

It is an amenable number.

650050566589 is a deficient number, since it is larger than the sum of its proper divisors (1).

650050566589 is an equidigital number, since it uses as much as digits as its factorization.

650050566589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 650050566589 in words is "six hundred fifty billion, fifty million, five hundred sixty-six thousand, five hundred eighty-nine".