6648241771 has 2 divisors, whose sum is σ = 6648241772. Its totient is φ = 6648241770.

The previous prime is 6648241753. The next prime is 6648241801. The reversal of 6648241771 is 1771428466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6648241771 - 2²¹ = 6646144619 is a prime.

It is not a weakly prime, because it can be changed into another prime (6648241711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324120885 + 3324120886.

It is an arithmetic number, because the mean of its divisors is an integer number (3324120886).

Almost surely, 2^6648241771 is an apocalyptic number.

6648241771 is a deficient number, since it is larger than the sum of its proper divisors (1).

6648241771 is an equidigital number, since it uses as much as digits as its factorization.

6648241771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 46.

The square root of 6648241771 is about 81536.7510451575. The cubic root of 6648241771 is about 1880.3366089405.

The spelling of 6648241771 in words is "six billion, six hundred forty-eight million, two hundred forty-one thousand, seven hundred seventy-one".