109863443 has 2 divisors, whose sum is σ = 109863444. Its totient is φ = 109863442.

The previous prime is 109863431. The next prime is 109863493. The reversal of 109863443 is 344368901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109863443 is a prime.

It is a super-2 number, since 2×109863443² = 24139952215628498, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109863397 and 109863406.

It is not a weakly prime, because it can be changed into another prime (109863493) 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, 54931721 + 54931722.

It is an arithmetic number, because the mean of its divisors is an integer number (54931722).

Almost surely, 2^109863443 is an apocalyptic number.

109863443 is a deficient number, since it is larger than the sum of its proper divisors (1).

109863443 is an equidigital number, since it uses as much as digits as its factorization.

109863443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 109863443 is about 10481.5763604527. The cubic root of 109863443 is about 478.9436302928.

The spelling of 109863443 in words is "one hundred nine million, eight hundred sixty-three thousand, four hundred forty-three".