109451617 has 4 divisors (see below), whose sum is σ = 119401776. Its totient is φ = 99501460.

The previous prime is 109451603. The next prime is 109451621. The reversal of 109451617 is 716154901.

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 109451617 - 2¹¹ = 109449569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109451677) 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, 4975063 + ... + 4975084.

It is an arithmetic number, because the mean of its divisors is an integer number (29850444).

Almost surely, 2^109451617 is an apocalyptic number.

It is an amenable number.

109451617 is a deficient number, since it is larger than the sum of its proper divisors (9950159).

109451617 is an equidigital number, since it uses as much as digits as its factorization.

109451617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950158.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 109451617 is about 10461.9126836349. The cubic root of 109451617 is about 478.3444367136.

The spelling of 109451617 in words is "one hundred nine million, four hundred fifty-one thousand, six hundred seventeen".