108308969 has 2 divisors, whose sum is σ = 108308970. Its totient is φ = 108308968.

The previous prime is 108308957. The next prime is 108308971. The reversal of 108308969 is 969803801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 44944 = 10405^2 + 212^2 .

It is an emirp because it is prime and its reverse (969803801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108308969 is a prime.

It is a super-2 number, since 2×108308969² = 23461665531685922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 108308971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (108308999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54154484 + 54154485.

It is an arithmetic number, because the mean of its divisors is an integer number (54154485).

Almost surely, 2^108308969 is an apocalyptic number.

It is an amenable number.

108308969 is a deficient number, since it is larger than the sum of its proper divisors (1).

108308969 is an equidigital number, since it uses as much as digits as its factorization.

108308969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 108308969 is about 10407.1595068011. The cubic root of 108308969 is about 476.6740107323.

The spelling of 108308969 in words is "one hundred eight million, three hundred eight thousand, nine hundred sixty-nine".