2106546543 has 12 divisors (see below), whose sum is σ = 3043521000. Its totient is φ = 1404026736.

The previous prime is 2106546389. The next prime is 2106546571. The reversal of 2106546543 is 3456456012.

2106546543 is a `hidden beast` number, since 2 + 10 + 65 + 46 + 543 = 666.

It is not a de Polignac number, because 2106546543 - 2⁹ = 2106546031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2106546498 and 2106546507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106546593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14833 + ... + 66581.

It is an arithmetic number, because the mean of its divisors is an integer number (253626750).

Almost surely, 2^2106546543 is an apocalyptic number.

2106546543 is a deficient number, since it is larger than the sum of its proper divisors (936974457).

2106546543 is a wasteful number, since it uses less digits than its factorization.

2106546543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56278 (or 56275 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2106546543 is about 45897.1300083132. The cubic root of 2106546543 is about 1281.9084777152.

The spelling of 2106546543 in words is "two billion, one hundred six million, five hundred forty-six thousand, five hundred forty-three".