6393166243 has 2 divisors, whose sum is σ = 6393166244. Its totient is φ = 6393166242.

The previous prime is 6393166223. The next prime is 6393166267. The reversal of 6393166243 is 3426613936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6393166243 is a prime.

It is a super-2 number, since 2×6393166243² = 81745149221269470098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6393166243.

It is not a weakly prime, because it can be changed into another prime (6393166223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196583121 + 3196583122.

It is an arithmetic number, because the mean of its divisors is an integer number (3196583122).

Almost surely, 2^6393166243 is an apocalyptic number.

6393166243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6393166243 is an equidigital number, since it uses as much as digits as its factorization.

6393166243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 43.

The square root of 6393166243 is about 79957.2776112344. The cubic root of 6393166243 is about 1855.9744753901.

The spelling of 6393166243 in words is "six billion, three hundred ninety-three million, one hundred sixty-six thousand, two hundred forty-three".