83543082543 has 6 divisors (see below), whose sum is σ = 120673341464. Its totient is φ = 55695388356.

The previous prime is 83543082527. The next prime is 83543082589. The reversal of 83543082543 is 34528034538.

83543082543 is a `hidden beast` number, since 83 + 543 + 0 + 8 + 25 + 4 + 3 = 666.

It is not a de Polignac number, because 83543082543 - 2⁴ = 83543082527 is a prime.

It is a super-2 number, since 2×83543082543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83543082503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4641282355 + ... + 4641282372.

Almost surely, 2^83543082543 is an apocalyptic number.

83543082543 is a deficient number, since it is larger than the sum of its proper divisors (37130258921).

83543082543 is a wasteful number, since it uses less digits than its factorization.

83543082543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282564733 (or 9282564730 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 83543082543 in words is "eighty-three billion, five hundred forty-three million, eighty-two thousand, five hundred forty-three".