6826642243 has 2 divisors, whose sum is σ = 6826642244. Its totient is φ = 6826642242.

The previous prime is 6826642237. The next prime is 6826642267. The reversal of 6826642243 is 3422466286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6826642243 - 2²⁵ = 6793087811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6826642243.

It is not a weakly prime, because it can be changed into another prime (6826642843) 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, 3413321121 + 3413321122.

It is an arithmetic number, because the mean of its divisors is an integer number (3413321122).

Almost surely, 2^6826642243 is an apocalyptic number.

6826642243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6826642243 is an equidigital number, since it uses as much as digits as its factorization.

6826642243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 43.

The square root of 6826642243 is about 82623.4969182496. The cubic root of 6826642243 is about 1897.0075000905.

The spelling of 6826642243 in words is "six billion, eight hundred twenty-six million, six hundred forty-two thousand, two hundred forty-three".