8465649217 has 2 divisors, whose sum is σ = 8465649218. Its totient is φ = 8465649216.

The previous prime is 8465649211. The next prime is 8465649323. The reversal of 8465649217 is 7129465648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8433850896 + 31798321 = 91836^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 8465649217 - 2⁷ = 8465649089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8465649211) 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, 4232824608 + 4232824609.

It is an arithmetic number, because the mean of its divisors is an integer number (4232824609).

Almost surely, 2^8465649217 is an apocalyptic number.

It is an amenable number.

8465649217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8465649217 is an equidigital number, since it uses as much as digits as its factorization.

8465649217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The square root of 8465649217 is about 92008.9626992936. The cubic root of 8465649217 is about 2038.0746618082.

The spelling of 8465649217 in words is "eight billion, four hundred sixty-five million, six hundred forty-nine thousand, two hundred seventeen".