650216447 has 2 divisors, whose sum is σ = 650216448. Its totient is φ = 650216446.

The previous prime is 650216393. The next prime is 650216449. The reversal of 650216447 is 744612056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650216447 - 2⁶ = 650216383 is a prime.

Together with 650216449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650216449) 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, 325108223 + 325108224.

It is an arithmetic number, because the mean of its divisors is an integer number (325108224).

Almost surely, 2^650216447 is an apocalyptic number.

650216447 is a deficient number, since it is larger than the sum of its proper divisors (1).

650216447 is an equidigital number, since it uses as much as digits as its factorization.

650216447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 650216447 is about 25499.3420895520. The cubic root of 650216447 is about 866.3352458783.

The spelling of 650216447 in words is "six hundred fifty million, two hundred sixteen thousand, four hundred forty-seven".