8968109 has 2 divisors, whose sum is σ = 8968110. Its totient is φ = 8968108.

The previous prime is 8968103. The next prime is 8968111. The reversal of 8968109 is 9018698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 1144900 = 2797^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 8968109 - 2⁸ = 8967853 is a prime.

Together with 8968111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8968103) 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, 4484054 + 4484055.

It is an arithmetic number, because the mean of its divisors is an integer number (4484055).

Almost surely, 2^8968109 is an apocalyptic number.

It is an amenable number.

8968109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8968109 is an equidigital number, since it uses as much as digits as its factorization.

8968109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8968109 is about 2994.6801164732. The cubic root of 8968109 is about 207.7624028222.

The spelling of 8968109 in words is "eight million, nine hundred sixty-eight thousand, one hundred nine".