650216473 has 2 divisors, whose sum is σ = 650216474. Its totient is φ = 650216472.

The previous prime is 650216449. The next prime is 650216549. The reversal of 650216473 is 374612056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469502224 + 180714249 = 21668^2 + 13443^2 .

It is a cyclic number.

It is not a de Polignac number, because 650216473 - 2²¹ = 648119321 is a prime.

It is not a weakly prime, because it can be changed into another prime (650219473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325108236 + 325108237.

It is an arithmetic number, because the mean of its divisors is an integer number (325108237).

Almost surely, 2^650216473 is an apocalyptic number.

It is an amenable number.

650216473 is a deficient number, since it is larger than the sum of its proper divisors (1).

650216473 is an equidigital number, since it uses as much as digits as its factorization.

650216473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 650216473 is about 25499.3425993691. The cubic root of 650216473 is about 866.3352574255.

The spelling of 650216473 in words is "six hundred fifty million, two hundred sixteen thousand, four hundred seventy-three".