682444193 has 2 divisors, whose sum is σ = 682444194. Its totient is φ = 682444192.

The previous prime is 682444171. The next prime is 682444237. The reversal of 682444193 is 391444286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523860544 + 158583649 = 22888^2 + 12593^2 .

It is a cyclic number.

It is not a de Polignac number, because 682444193 - 2¹² = 682440097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 682444193.

It is not a weakly prime, because it can be changed into another prime (682444163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341222096 + 341222097.

It is an arithmetic number, because the mean of its divisors is an integer number (341222097).

Almost surely, 2^682444193 is an apocalyptic number.

It is an amenable number.

682444193 is a deficient number, since it is larger than the sum of its proper divisors (1).

682444193 is an equidigital number, since it uses as much as digits as its factorization.

682444193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 682444193 is about 26123.6328446103. The cubic root of 682444193 is about 880.4182726642.

The spelling of 682444193 in words is "six hundred eighty-two million, four hundred forty-four thousand, one hundred ninety-three".