650916841 has 2 divisors, whose sum is σ = 650916842. Its totient is φ = 650916840.

The previous prime is 650916829. The next prime is 650916857. The reversal of 650916841 is 148619056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538472025 + 112444816 = 23205^2 + 10604^2 .

It is a cyclic number.

It is not a de Polignac number, because 650916841 - 2¹⁷ = 650785769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650916794 and 650916803.

It is not a weakly prime, because it can be changed into another prime (650916341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325458420 + 325458421.

It is an arithmetic number, because the mean of its divisors is an integer number (325458421).

Almost surely, 2^650916841 is an apocalyptic number.

It is an amenable number.

650916841 is a deficient number, since it is larger than the sum of its proper divisors (1).

650916841 is an equidigital number, since it uses as much as digits as its factorization.

650916841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 650916841 is about 25513.0719632113. The cubic root of 650916841 is about 866.6461978565.

The spelling of 650916841 in words is "six hundred fifty million, nine hundred sixteen thousand, eight hundred forty-one".