6663196289 has 2 divisors, whose sum is σ = 6663196290. Its totient is φ = 6663196288.

The previous prime is 6663196277. The next prime is 6663196313. The reversal of 6663196289 is 9826913666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6659865664 + 3330625 = 81608^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6663196289 - 2⁴ = 6663196273 is a prime.

It is not a weakly prime, because it can be changed into another prime (6603196289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331598144 + 3331598145.

It is an arithmetic number, because the mean of its divisors is an integer number (3331598145).

Almost surely, 2^6663196289 is an apocalyptic number.

It is an amenable number.

6663196289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6663196289 is an equidigital number, since it uses as much as digits as its factorization.

6663196289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 56.

The square root of 6663196289 is about 81628.4036901372. The cubic root of 6663196289 is about 1881.7454260369.

The spelling of 6663196289 in words is "six billion, six hundred sixty-three million, one hundred ninety-six thousand, two hundred eighty-nine".