6689935163 has 2 divisors, whose sum is σ = 6689935164. Its totient is φ = 6689935162.

The previous prime is 6689935103. The next prime is 6689935177. The reversal of 6689935163 is 3615399866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6689935163 - 2⁸ = 6689934907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6689935099 and 6689935108.

It is not a weakly prime, because it can be changed into another prime (6689935103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344967581 + 3344967582.

It is an arithmetic number, because the mean of its divisors is an integer number (3344967582).

Almost surely, 2^6689935163 is an apocalyptic number.

6689935163 is a deficient number, since it is larger than the sum of its proper divisors (1).

6689935163 is an equidigital number, since it uses as much as digits as its factorization.

6689935163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 56.

The square root of 6689935163 is about 81792.0238348459. The cubic root of 6689935163 is about 1884.2591645367.

The spelling of 6689935163 in words is "six billion, six hundred eighty-nine million, nine hundred thirty-five thousand, one hundred sixty-three".