818384011 has 2 divisors, whose sum is σ = 818384012. Its totient is φ = 818384010.

The previous prime is 818383997. The next prime is 818384027. The reversal of 818384011 is 110483818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818384011 - 2⁹ = 818383499 is a prime.

It is not a weakly prime, because it can be changed into another prime (818384071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409192005 + 409192006.

It is an arithmetic number, because the mean of its divisors is an integer number (409192006).

Almost surely, 2^818384011 is an apocalyptic number.

818384011 is a deficient number, since it is larger than the sum of its proper divisors (1).

818384011 is an equidigital number, since it uses as much as digits as its factorization.

818384011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 818384011 is about 28607.4118193170. The cubic root of 818384011 is about 935.3749003227.

It can be divided in two parts, 81838 and 4011, that added together give a square (85849 = 293²).

The spelling of 818384011 in words is "eight hundred eighteen million, three hundred eighty-four thousand, eleven".