1094189441 has 2 divisors, whose sum is σ = 1094189442. Its totient is φ = 1094189440.

The previous prime is 1094189431. The next prime is 1094189443. The reversal of 1094189441 is 1449814901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003559041 + 90630400 = 31679^2 + 9520^2 .

It is an emirp because it is prime and its reverse (1449814901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094189441 is a prime.

Together with 1094189443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1094189443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547094720 + 547094721.

It is an arithmetic number, because the mean of its divisors is an integer number (547094721).

Almost surely, 2^1094189441 is an apocalyptic number.

It is an amenable number.

1094189441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094189441 is an equidigital number, since it uses as much as digits as its factorization.

1094189441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1094189441 is about 33078.5344445609. The cubic root of 1094189441 is about 1030.4592921324.

The spelling of 1094189441 in words is "one billion, ninety-four million, one hundred eighty-nine thousand, four hundred forty-one".