1094189443 has 2 divisors, whose sum is σ = 1094189444. Its totient is φ = 1094189442.

The previous prime is 1094189441. The next prime is 1094189471. The reversal of 1094189443 is 3449814901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1094189443 - 2¹ = 1094189441 is a prime.

Together with 1094189441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1094189443.

It is not a weakly prime, because it can be changed into another prime (1094189441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547094721 + 547094722.

It is an arithmetic number, because the mean of its divisors is an integer number (547094722).

Almost surely, 2^1094189443 is an apocalyptic number.

1094189443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094189443 is an equidigital number, since it uses as much as digits as its factorization.

1094189443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1094189443 is about 33078.5344747920. The cubic root of 1094189443 is about 1030.4592927603.

The spelling of 1094189443 in words is "one billion, ninety-four million, one hundred eighty-nine thousand, four hundred forty-three".