109317449 has 4 divisors (see below), whose sum is σ = 109425540. Its totient is φ = 109209360.

The previous prime is 109317419. The next prime is 109317473. The reversal of 109317449 is 944713901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944713901 = 17383 ⋅54347.

It can be written as a sum of positive squares in 2 ways, for example, as 87086224 + 22231225 = 9332^2 + 4715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109317449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109317419) 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, 52514 + ... + 54555.

It is an arithmetic number, because the mean of its divisors is an integer number (27356385).

Almost surely, 2^109317449 is an apocalyptic number.

It is an amenable number.

109317449 is a deficient number, since it is larger than the sum of its proper divisors (108091).

109317449 is a wasteful number, since it uses less digits than its factorization.

109317449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108090.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 109317449 is about 10455.4985055711. The cubic root of 109317449 is about 478.1489020417.

The spelling of 109317449 in words is "one hundred nine million, three hundred seventeen thousand, four hundred forty-nine".