109194269 has 2 divisors, whose sum is σ = 109194270. Its totient is φ = 109194268.

The previous prime is 109194263. The next prime is 109194341. The reversal of 109194269 is 962491901.

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., 75030244 + 34164025 = 8662^2 + 5845^2 .

It is a cyclic number.

It is not a de Polignac number, because 109194269 - 2⁸ = 109194013 is a prime.

It is a super-2 number, since 2×109194269² = 23846776764888722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109194263) 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, 54597134 + 54597135.

It is an arithmetic number, because the mean of its divisors is an integer number (54597135).

Almost surely, 2^109194269 is an apocalyptic number.

It is an amenable number.

109194269 is a deficient number, since it is larger than the sum of its proper divisors (1).

109194269 is an equidigital number, since it uses as much as digits as its factorization.

109194269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 109194269 is about 10449.6061648275. The cubic root of 109194269 is about 477.9692402141.

The spelling of 109194269 in words is "one hundred nine million, one hundred ninety-four thousand, two hundred sixty-nine".