1094407189 has 2 divisors, whose sum is σ = 1094407190. Its totient is φ = 1094407188.

The previous prime is 1094407159. The next prime is 1094407199. The reversal of 1094407189 is 9817044901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090122289 + 4284900 = 33017^2 + 2070^2 .

It is an emirp because it is prime and its reverse (9817044901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094407189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1094407159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547203594 + 547203595.

It is an arithmetic number, because the mean of its divisors is an integer number (547203595).

Almost surely, 2^1094407189 is an apocalyptic number.

It is an amenable number.

1094407189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094407189 is an equidigital number, since it uses as much as digits as its factorization.

1094407189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1094407189 is about 33081.8256600206. The cubic root of 1094407189 is about 1030.5276427486.

The spelling of 1094407189 in words is "one billion, ninety-four million, four hundred seven thousand, one hundred eighty-nine".