8448630220817 has 2 divisors, whose sum is σ = 8448630220818. Its totient is φ = 8448630220816.

The previous prime is 8448630220727. The next prime is 8448630220829. The reversal of 8448630220817 is 7180220368448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7057730776321 + 1390899444496 = 2656639^2 + 1179364^2 .

It is a cyclic number.

It is not a de Polignac number, because 8448630220817 - 2¹⁶ = 8448630155281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8448630220717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224315110408 + 4224315110409.

It is an arithmetic number, because the mean of its divisors is an integer number (4224315110409).

Almost surely, 2^{8448630220817} is an apocalyptic number.

It is an amenable number.

8448630220817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448630220817 is an equidigital number, since it uses as much as digits as its factorization.

8448630220817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 8448630220817 in words is "eight trillion, four hundred forty-eight billion, six hundred thirty million, two hundred twenty thousand, eight hundred seventeen".