848218948609 has 2 divisors, whose sum is σ = 848218948610. Its totient is φ = 848218948608.

The previous prime is 848218948597. The next prime is 848218948679. The reversal of 848218948609 is 906849812848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679186960384 + 169031988225 = 824128^2 + 411135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-848218948609 is a prime.

It is not a weakly prime, because it can be changed into another prime (848218948679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424109474304 + 424109474305.

It is an arithmetic number, because the mean of its divisors is an integer number (424109474305).

Almost surely, 2^848218948609 is an apocalyptic number.

It is an amenable number.

848218948609 is a deficient number, since it is larger than the sum of its proper divisors (1).

848218948609 is an equidigital number, since it uses as much as digits as its factorization.

848218948609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63700992, while the sum is 67.

The spelling of 848218948609 in words is "eight hundred forty-eight billion, two hundred eighteen million, nine hundred forty-eight thousand, six hundred nine".