5643798543 has 12 divisors (see below), whose sum is σ = 8350987008. Its totient is φ = 3670763040.

The previous prime is 5643798541. The next prime is 5643798613. The reversal of 5643798543 is 3458973465.

5643798543 is a `hidden beast` number, since 5 + 6 + 4 + 3 + 7 + 98 + 543 = 666.

It is not a de Polignac number, because 5643798543 - 2¹ = 5643798541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5643798543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643798541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7647055 + ... + 7647792.

It is an arithmetic number, because the mean of its divisors is an integer number (695915584).

Almost surely, 2^5643798543 is an apocalyptic number.

5643798543 is a deficient number, since it is larger than the sum of its proper divisors (2707188465).

5643798543 is a wasteful number, since it uses less digits than its factorization.

5643798543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15294894 (or 15294891 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 5643798543 is about 75125.2190878669. The cubic root of 5643798543 is about 1780.4256170919.

The spelling of 5643798543 in words is "five billion, six hundred forty-three million, seven hundred ninety-eight thousand, five hundred forty-three".