109510609 has 4 divisors (see below), whose sum is σ = 117934516. Its totient is φ = 101086704.

The previous prime is 109510607. The next prime is 109510627. The reversal of 109510609 is 906015901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48233025 + 61277584 = 6945^2 + 7828^2 .

It is a cyclic number.

It is not a de Polignac number, because 109510609 - 2¹ = 109510607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109510607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4211934 + ... + 4211959.

It is an arithmetic number, because the mean of its divisors is an integer number (29483629).

Almost surely, 2^109510609 is an apocalyptic number.

It is an amenable number.

109510609 is a deficient number, since it is larger than the sum of its proper divisors (8423907).

109510609 is an equidigital number, since it uses as much as digits as its factorization.

109510609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423906.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 109510609 is about 10464.7316735786. The cubic root of 109510609 is about 478.4303603012.

The spelling of 109510609 in words is "one hundred nine million, five hundred ten thousand, six hundred nine".