1094459689 has 2 divisors, whose sum is σ = 1094459690. Its totient is φ = 1094459688.

The previous prime is 1094459687. The next prime is 1094459713. The reversal of 1094459689 is 9869544901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729000000 + 365459689 = 27000^2 + 19117^2 .

It is an emirp because it is prime and its reverse (9869544901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1094459689 - 2¹ = 1094459687 is a prime.

Together with 1094459687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1094459687) 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, 547229844 + 547229845.

It is an arithmetic number, because the mean of its divisors is an integer number (547229845).

Almost surely, 2^1094459689 is an apocalyptic number.

It is an amenable number.

1094459689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094459689 is an equidigital number, since it uses as much as digits as its factorization.

1094459689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 1094459689 is about 33082.6191375471. The cubic root of 1094459689 is about 1030.5441210261.

The spelling of 1094459689 in words is "one billion, ninety-four million, four hundred fifty-nine thousand, six hundred eighty-nine".