6563146169 has 2 divisors, whose sum is σ = 6563146170. Its totient is φ = 6563146168.

The previous prime is 6563146151. The next prime is 6563146229. The reversal of 6563146169 is 9616413656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6563106169 + 40000 = 81013^2 + 200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6563146169 is a prime.

It is a super-2 number, since 2×6563146169² = 86149775271318753122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6563146069) 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, 3281573084 + 3281573085.

It is an arithmetic number, because the mean of its divisors is an integer number (3281573085).

Almost surely, 2^6563146169 is an apocalyptic number.

It is an amenable number.

6563146169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6563146169 is an equidigital number, since it uses as much as digits as its factorization.

6563146169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 6563146169 is about 81013.2468735823. The cubic root of 6563146169 is about 1872.2795433870.

The spelling of 6563146169 in words is "six billion, five hundred sixty-three million, one hundred forty-six thousand, one hundred sixty-nine".