2112910543 has 4 divisors (see below), whose sum is σ = 2114047768. Its totient is φ = 2111773320.

The previous prime is 2112910531. The next prime is 2112910573. The reversal of 2112910543 is 3450192112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112910543 - 2²¹ = 2110813391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112910573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565821 + ... + 569542.

It is an arithmetic number, because the mean of its divisors is an integer number (528511942).

Almost surely, 2^2112910543 is an apocalyptic number.

2112910543 is a deficient number, since it is larger than the sum of its proper divisors (1137225).

2112910543 is a wasteful number, since it uses less digits than its factorization.

2112910543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137224.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2112910543 is about 45966.4066792261. The cubic root of 2112910543 is about 1283.1980866899.

The spelling of 2112910543 in words is "two billion, one hundred twelve million, nine hundred ten thousand, five hundred forty-three".