109049173 has 2 divisors, whose sum is σ = 109049174. Its totient is φ = 109049172.

The previous prime is 109049167. The next prime is 109049179. The reversal of 109049173 is 371940901.

It is a balanced prime because it is at equal distance from previous prime (109049167) and next prime (109049179).

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 47238129 = 7862^2 + 6873^2 .

It is an emirp because it is prime and its reverse (371940901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109049173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109049179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54524586 + 54524587.

It is an arithmetic number, because the mean of its divisors is an integer number (54524587).

Almost surely, 2^109049173 is an apocalyptic number.

It is an amenable number.

109049173 is a deficient number, since it is larger than the sum of its proper divisors (1).

109049173 is an equidigital number, since it uses as much as digits as its factorization.

109049173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 109049173 is about 10442.6612029693. The cubic root of 109049173 is about 477.7574398269.

The spelling of 109049173 in words is "one hundred nine million, forty-nine thousand, one hundred seventy-three".