1096943689 has 4 divisors (see below), whose sum is σ = 1097056660. Its totient is φ = 1096830720.

The previous prime is 1096943657. The next prime is 1096943693. The reversal of 1096943689 is 9863496901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 778856464 + 318087225 = 27908^2 + 17835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096943689 - 2⁵ = 1096943657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1096943629) 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, 40392 + ... + 61849.

It is an arithmetic number, because the mean of its divisors is an integer number (274264165).

Almost surely, 2^1096943689 is an apocalyptic number.

It is an amenable number.

1096943689 is a deficient number, since it is larger than the sum of its proper divisors (112971).

1096943689 is a wasteful number, since it uses less digits than its factorization.

1096943689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112970.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 1096943689 is about 33120.1402321910. The cubic root of 1096943689 is about 1031.3231774016.

The spelling of 1096943689 in words is "one billion, ninety-six million, nine hundred forty-three thousand, six hundred eighty-nine".