1094669789 has 4 divisors (see below), whose sum is σ = 1098123324. Its totient is φ = 1091216256.

The previous prime is 1094669777. The next prime is 1094669837. The reversal of 1094669789 is 9879664901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9879664901 = 673 ⋅14680037.

It can be written as a sum of positive squares in 2 ways, for example, as 67980025 + 1026689764 = 8245^2 + 32042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1094669789 - 2¹⁶ = 1094604253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094669689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726292 + ... + 1726925.

It is an arithmetic number, because the mean of its divisors is an integer number (274530831).

Almost surely, 2^1094669789 is an apocalyptic number.

It is an amenable number.

1094669789 is a deficient number, since it is larger than the sum of its proper divisors (3453535).

1094669789 is an equidigital number, since it uses as much as digits as its factorization.

1094669789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453534.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 1094669789 is about 33085.7943685806. The cubic root of 1094669789 is about 1030.6100602497.

The spelling of 1094669789 in words is "one billion, ninety-four million, six hundred sixty-nine thousand, seven hundred eighty-nine".