818834099 has 2 divisors, whose sum is σ = 818834100. Its totient is φ = 818834098.

The previous prime is 818834059. The next prime is 818834101. The reversal of 818834099 is 990438818.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 818834099 - 2⁸ = 818833843 is a prime.

Together with 818834101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (818834039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409417049 + 409417050.

It is an arithmetic number, because the mean of its divisors is an integer number (409417050).

Almost surely, 2^818834099 is an apocalyptic number.

818834099 is a deficient number, since it is larger than the sum of its proper divisors (1).

818834099 is an equidigital number, since it uses as much as digits as its factorization.

818834099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 818834099 is about 28615.2773706634. The cubic root of 818834099 is about 935.5463454538.

The spelling of 818834099 in words is "eight hundred eighteen million, eight hundred thirty-four thousand, ninety-nine".