818449011 has 24 divisors (see below), whose sum is σ = 1250121600. Its totient is φ = 515145600.

The previous prime is 818449001. The next prime is 818449013. The reversal of 818449011 is 110944818.

818449011 is a `hidden beast` number, since 81 + 84 + 490 + 11 = 666.

It is not a de Polignac number, because 818449011 - 2¹⁴ = 818432627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818449013) 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 in 23 ways as a sum of consecutive naturals, for example, 24336 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (52088400).

Almost surely, 2^818449011 is an apocalyptic number.

818449011 is a deficient number, since it is larger than the sum of its proper divisors (431672589).

818449011 is a wasteful number, since it uses less digits than its factorization.

818449011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71627 (or 71624 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 818449011 is about 28608.5478659788. The cubic root of 818449011 is about 935.3996636604.

The spelling of 818449011 in words is "eight hundred eighteen million, four hundred forty-nine thousand, eleven".