5443843689 has 6 divisors (see below), whose sum is σ = 7863329786. Its totient is φ = 3629229120.

The previous prime is 5443843681. The next prime is 5443843693. The reversal of 5443843689 is 9863483445.

5443843689 is a `hidden beast` number, since 544 + 38 + 4 + 3 + 68 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5023265625 + 420578064 = 70875^2 + 20508^2 .

It is not a de Polignac number, because 5443843689 - 2³ = 5443843681 is a prime.

It is a super-2 number, since 2×5443843689² = 59270868220530257442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5443843681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302435752 + ... + 302435769.

Almost surely, 2^5443843689 is an apocalyptic number.

It is an amenable number.

5443843689 is a deficient number, since it is larger than the sum of its proper divisors (2419486097).

5443843689 is a wasteful number, since it uses less digits than its factorization.

5443843689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604871527 (or 604871524 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The square root of 5443843689 is about 73782.4077202689. The cubic root of 5443843689 is about 1759.1459881551.

The spelling of 5443843689 in words is "five billion, four hundred forty-three million, eight hundred forty-three thousand, six hundred eighty-nine".