34818109 has 2 divisors, whose sum is σ = 34818110. Its totient is φ = 34818108.

The previous prime is 34818107. The next prime is 34818137. The reversal of 34818109 is 90181843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34047225 + 770884 = 5835^2 + 878^2 .

It is an emirp because it is prime and its reverse (90181843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34818109 - 2¹ = 34818107 is a prime.

Together with 34818107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34818101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17409054 + 17409055.

It is an arithmetic number, because the mean of its divisors is an integer number (17409055).

Almost surely, 2^34818109 is an apocalyptic number.

It is an amenable number.

34818109 is a deficient number, since it is larger than the sum of its proper divisors (1).

34818109 is an equidigital number, since it uses as much as digits as its factorization.

34818109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 34818109 is about 5900.6871633734. The cubic root of 34818109 is about 326.5390013188.

The spelling of 34818109 in words is "thirty-four million, eight hundred eighteen thousand, one hundred nine".