1093066809 has 4 divisors (see below), whose sum is σ = 1457422416. Its totient is φ = 728711204.

The previous prime is 1093066801. The next prime is 1093066817. The reversal of 1093066809 is 9086603901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1093066801) and next prime (1093066817).

It is a cyclic number.

It is not a de Polignac number, because 1093066809 - 2³ = 1093066801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1093066801) 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, 182177799 + ... + 182177804.

It is an arithmetic number, because the mean of its divisors is an integer number (364355604).

Almost surely, 2^1093066809 is an apocalyptic number.

It is an amenable number.

1093066809 is a deficient number, since it is larger than the sum of its proper divisors (364355607).

1093066809 is an equidigital number, since it uses as much as digits as its factorization.

1093066809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364355606.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1093066809 is about 33061.5608978161. The cubic root of 1093066809 is about 1030.1067564591.

The spelling of 1093066809 in words is "one billion, ninety-three million, sixty-six thousand, eight hundred nine".