109175489 has 4 divisors (see below), whose sum is σ = 109253424. Its totient is φ = 109097556.

The previous prime is 109175483. The next prime is 109175509. The reversal of 109175489 is 984571901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109175489 - 2¹² = 109171393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109175483) 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 in 3 ways as a sum of consecutive naturals, for example, 36827 + ... + 39680.

It is an arithmetic number, because the mean of its divisors is an integer number (27313356).

Almost surely, 2^109175489 is an apocalyptic number.

It is an amenable number.

109175489 is a deficient number, since it is larger than the sum of its proper divisors (77935).

109175489 is an equidigital number, since it uses as much as digits as its factorization.

109175489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77934.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 109175489 is about 10448.7075277280. The cubic root of 109175489 is about 477.9418371368.

The spelling of 109175489 in words is "one hundred nine million, one hundred seventy-five thousand, four hundred eighty-nine".