6648755076289 has 2 divisors, whose sum is σ = 6648755076290. Its totient is φ = 6648755076288.

The previous prime is 6648755076269. The next prime is 6648755076349. The reversal of 6648755076289 is 9826705578466.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3501295880625 + 3147459195664 = 1871175^2 + 1774108^2 .

It is a cyclic number.

It is not a de Polignac number, because 6648755076289 - 2³¹ = 6646607592641 is a prime.

It is not a weakly prime, because it can be changed into another prime (6648755076259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324377538144 + 3324377538145.

It is an arithmetic number, because the mean of its divisors is an integer number (3324377538145).

Almost surely, 2^{6648755076289} is an apocalyptic number.

It is an amenable number.

6648755076289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6648755076289 is an equidigital number, since it uses as much as digits as its factorization.

6648755076289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1219276800, while the sum is 73.

The spelling of 6648755076289 in words is "six trillion, six hundred forty-eight billion, seven hundred fifty-five million, seventy-six thousand, two hundred eighty-nine".