109168369 has 2 divisors, whose sum is σ = 109168370. Its totient is φ = 109168368.

The previous prime is 109168351. The next prime is 109168399. The reversal of 109168369 is 963861901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 45360225 = 7988^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 109168369 - 2⁵ = 109168337 is a prime.

It is a super-2 number, since 2×109168369² = 23835465580240322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109168399) 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, 54584184 + 54584185.

It is an arithmetic number, because the mean of its divisors is an integer number (54584185).

Almost surely, 2^109168369 is an apocalyptic number.

It is an amenable number.

109168369 is a deficient number, since it is larger than the sum of its proper divisors (1).

109168369 is an equidigital number, since it uses as much as digits as its factorization.

109168369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 109168369 is about 10448.3668101766. The cubic root of 109168369 is about 477.9314470761.

The spelling of 109168369 in words is "one hundred nine million, one hundred sixty-eight thousand, three hundred sixty-nine".