2686020543 has 12 divisors (see below), whose sum is σ = 3886780248. Its totient is φ = 1787462160.

The previous prime is 2686020539. The next prime is 2686020581. The reversal of 2686020543 is 3450206862.

2686020543 is a `hidden beast` number, since 2 + 6 + 8 + 602 + 0 + 5 + 43 = 666.

It is not a de Polignac number, because 2686020543 - 2² = 2686020539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2686020498 and 2686020507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686020583) 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 11 ways as a sum of consecutive naturals, for example, 262893 + ... + 272918.

It is an arithmetic number, because the mean of its divisors is an integer number (323898354).

Almost surely, 2^2686020543 is an apocalyptic number.

2686020543 is a deficient number, since it is larger than the sum of its proper divisors (1200759705).

2686020543 is a wasteful number, since it uses less digits than its factorization.

2686020543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536374 (or 536371 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2686020543 is about 51826.8322686232. The cubic root of 2686020543 is about 1390.0692722925.

The spelling of 2686020543 in words is "two billion, six hundred eighty-six million, twenty thousand, five hundred forty-three".