6816949163 has 2 divisors, whose sum is σ = 6816949164. Its totient is φ = 6816949162.

The previous prime is 6816949159. The next prime is 6816949169. The reversal of 6816949163 is 3619496186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6816949163 - 2² = 6816949159 is a prime.

It is not a weakly prime, because it can be changed into another prime (6816949169) 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, 3408474581 + 3408474582.

It is an arithmetic number, because the mean of its divisors is an integer number (3408474582).

Almost surely, 2^6816949163 is an apocalyptic number.

6816949163 is a deficient number, since it is larger than the sum of its proper divisors (1).

6816949163 is an equidigital number, since it uses as much as digits as its factorization.

6816949163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 6816949163 is about 82564.8179492936. The cubic root of 6816949163 is about 1896.1092275782.

The spelling of 6816949163 in words is "six billion, eight hundred sixteen million, nine hundred forty-nine thousand, one hundred sixty-three".