2543686212 has 96 divisors (see below), whose sum is σ = 6217352064. Its totient is φ = 808704000.

The previous prime is 2543686169. The next prime is 2543686213. The reversal of 2543686212 is 2126863452.

It is not an unprimeable number, because it can be changed into a prime (2543686213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5874348 + ... + 5874780.

It is an arithmetic number, because the mean of its divisors is an integer number (64764084).

Almost surely, 2^2543686212 is an apocalyptic number.

It is an amenable number.

2543686212 is an abundant number, since it is smaller than the sum of its proper divisors (3673665852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543686212 is a wasteful number, since it uses less digits than its factorization.

2543686212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 2543686212 is about 50434.9701298613. The cubic root of 2543686212 is about 1365.0687101964.

The spelling of 2543686212 in words is "two billion, five hundred forty-three million, six hundred eighty-six thousand, two hundred twelve".