109443443 has 2 divisors, whose sum is σ = 109443444. Its totient is φ = 109443442.

The previous prime is 109443431. The next prime is 109443491. The reversal of 109443443 is 344344901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109443443 - 2⁴ = 109443427 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109443413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54721721 + 54721722.

It is an arithmetic number, because the mean of its divisors is an integer number (54721722).

Almost surely, 2^109443443 is an apocalyptic number.

109443443 is a deficient number, since it is larger than the sum of its proper divisors (1).

109443443 is an equidigital number, since it uses as much as digits as its factorization.

109443443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 109443443 is about 10461.5220211975. The cubic root of 109443443 is about 478.3325286064.

The spelling of 109443443 in words is "one hundred nine million, four hundred forty-three thousand, four hundred forty-three".