10983668809 has 3 divisors (see below), whose sum is σ = 10983773613. Its totient is φ = 10983564006.

The previous prime is 10983668779. The next prime is 10983668819. The reversal of 10983668809 is 90886638901.

The square root of 10983668809 is 104803.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10983668809 - 2¹³ = 10983660617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10983668819) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52402 + ... + 157204.

It is an arithmetic number, because the mean of its divisors is an integer number (3661257871).

Almost surely, 2^10983668809 is an apocalyptic number.

10983668809 is the 104803-rd square number.

10983668809 is the 52402-nd centered octagonal number.

It is an amenable number.

10983668809 is a deficient number, since it is larger than the sum of its proper divisors (104804).

10983668809 is an frugal number, since it uses more digits than its factorization.

10983668809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209606 (or 104803 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 10983668809 in words is "ten billion, nine hundred eighty-three million, six hundred sixty-eight thousand, eight hundred nine".