650200009 has 2 divisors, whose sum is σ = 650200010. Its totient is φ = 650200008.

The previous prime is 650199989. The next prime is 650200013. The reversal of 650200009 is 900002056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638673984 + 11526025 = 25272^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 650200009 - 2²⁷ = 515982281 is a prime.

It is not a weakly prime, because it can be changed into another prime (650201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325100004 + 325100005.

It is an arithmetic number, because the mean of its divisors is an integer number (325100005).

Almost surely, 2^650200009 is an apocalyptic number.

It is an amenable number.

650200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

650200009 is an equidigital number, since it uses as much as digits as its factorization.

650200009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 650200009 is about 25499.0197654733. The cubic root of 650200009 is about 866.3279452638.

The spelling of 650200009 in words is "six hundred fifty million, two hundred thousand, nine".