109649089 has 8 divisors (see below), whose sum is σ = 120245760. Its totient is φ = 99157200.

The previous prime is 109649069. The next prime is 109649107. The reversal of 109649089 is 980946901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109649089 - 2⁷ = 109648961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109649009) 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 7 ways as a sum of consecutive naturals, for example, 23994 + ... + 28195.

It is an arithmetic number, because the mean of its divisors is an integer number (15030720).

Almost surely, 2^109649089 is an apocalyptic number.

It is an amenable number.

109649089 is a deficient number, since it is larger than the sum of its proper divisors (10596671).

109649089 is a wasteful number, since it uses less digits than its factorization.

109649089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52391.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 109649089 is about 10471.3460930293. The cubic root of 109649089 is about 478.6319393387.

The spelling of 109649089 in words is "one hundred nine million, six hundred forty-nine thousand, eighty-nine".