109444309 has 16 divisors (see below), whose sum is σ = 121381120. Its totient is φ = 98055360.

The previous prime is 109444297. The next prime is 109444333. The reversal of 109444309 is 903444901.

It is not a de Polignac number, because 109444309 - 2⁵ = 109444277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109444339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61774 + ... + 63520.

It is an arithmetic number, because the mean of its divisors is an integer number (7586320).

Almost surely, 2^109444309 is an apocalyptic number.

It is an amenable number.

109444309 is a deficient number, since it is larger than the sum of its proper divisors (11936811).

109444309 is a wasteful number, since it uses less digits than its factorization.

109444309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 109444309 is about 10461.5634108865. The cubic root of 109444309 is about 478.3337902470. Note that the first 3 decimals are identical.

The spelling of 109444309 in words is "one hundred nine million, four hundred forty-four thousand, three hundred nine".