5653836865 has 8 divisors (see below), whose sum is σ = 6802047720. Its totient is φ = 4511440512.

The previous prime is 5653836827. The next prime is 5653836893. The reversal of 5653836865 is 5686383565.

It is a happy number.

It is a Cunningham number, because it is equal to 75192²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1334587024 + 4319249841 = 36532^2 + 65721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5653836865 - 2¹¹ = 5653834817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451484 + ... + 1455373.

It is an arithmetic number, because the mean of its divisors is an integer number (850255965).

Almost surely, 2^5653836865 is an apocalyptic number.

It is an amenable number.

5653836865 is a deficient number, since it is larger than the sum of its proper divisors (1148210855).

5653836865 is a wasteful number, since it uses less digits than its factorization.

5653836865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907251.

The product of its digits is 15552000, while the sum is 55.

The square root of 5653836865 is about 75192.0000066496. Note that the first 5 decimals coincide. The cubic root of 5653836865 is about 1781.4805744158.

The spelling of 5653836865 in words is "five billion, six hundred fifty-three million, eight hundred thirty-six thousand, eight hundred sixty-five".