109549369 has 2 divisors, whose sum is σ = 109549370. Its totient is φ = 109549368.

The previous prime is 109549361. The next prime is 109549399. The reversal of 109549369 is 963945901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 17139600 = 9613^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 109549369 - 2³ = 109549361 is a prime.

It is a super-2 number, since 2×109549369² = 24002128496596322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109549361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54774684 + 54774685.

It is an arithmetic number, because the mean of its divisors is an integer number (54774685).

Almost surely, 2^109549369 is an apocalyptic number.

It is an amenable number.

109549369 is a deficient number, since it is larger than the sum of its proper divisors (1).

109549369 is an equidigital number, since it uses as much as digits as its factorization.

109549369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 109549369 is about 10466.5834444674. The cubic root of 109549369 is about 478.4867985877.

The spelling of 109549369 in words is "one hundred nine million, five hundred forty-nine thousand, three hundred sixty-nine".