109444089 has 4 divisors (see below), whose sum is σ = 145925456. Its totient is φ = 72962724.

The previous prime is 109444087. The next prime is 109444103. The reversal of 109444089 is 980444901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 980444901 = 3 ⋅326814967.

It is not a de Polignac number, because 109444089 - 2¹ = 109444087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109444087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18240679 + ... + 18240684.

It is an arithmetic number, because the mean of its divisors is an integer number (36481364).

Almost surely, 2^109444089 is an apocalyptic number.

It is an amenable number.

109444089 is a deficient number, since it is larger than the sum of its proper divisors (36481367).

109444089 is an equidigital number, since it uses as much as digits as its factorization.

109444089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36481366.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 109444089 is about 10461.5528962004. The cubic root of 109444089 is about 478.3334697384. Note that the first 3 decimals are identical.

The spelling of 109444089 in words is "one hundred nine million, four hundred forty-four thousand, eighty-nine".