818683043 has 2 divisors, whose sum is σ = 818683044. Its totient is φ = 818683042.

The previous prime is 818682971. The next prime is 818683051. The reversal of 818683043 is 340386818.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 818683043 - 2¹⁰ = 818682019 is a prime.

It is not a weakly prime, because it can be changed into another prime (818683843) 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, 409341521 + 409341522.

It is an arithmetic number, because the mean of its divisors is an integer number (409341522).

Almost surely, 2^818683043 is an apocalyptic number.

818683043 is a deficient number, since it is larger than the sum of its proper divisors (1).

818683043 is an equidigital number, since it uses as much as digits as its factorization.

818683043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 818683043 is about 28612.6378196768. The cubic root of 818683043 is about 935.4888130103.

The spelling of 818683043 in words is "eight hundred eighteen million, six hundred eighty-three thousand, forty-three".