109443073 has 2 divisors, whose sum is σ = 109443074. Its totient is φ = 109443072.

The previous prime is 109443043. The next prime is 109443121. The reversal of 109443073 is 370344901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77316849 + 32126224 = 8793^2 + 5668^2 .

It is a cyclic number.

It is not a de Polignac number, because 109443073 - 2¹³ = 109434881 is a prime.

It is not a weakly prime, because it can be changed into another prime (109443043) 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 as a sum of consecutive naturals, namely, 54721536 + 54721537.

It is an arithmetic number, because the mean of its divisors is an integer number (54721537).

Almost surely, 2^109443073 is an apocalyptic number.

It is an amenable number.

109443073 is a deficient number, since it is larger than the sum of its proper divisors (1).

109443073 is an equidigital number, since it uses as much as digits as its factorization.

109443073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 109443073 is about 10461.5043373312. The cubic root of 109443073 is about 478.3319895662.

Adding to 109443073 its reverse (370344901), we get a palindrome (479787974).

The spelling of 109443073 in words is "one hundred nine million, four hundred forty-three thousand, seventy-three".