2685612543 has 4 divisors (see below), whose sum is σ = 3580816728. Its totient is φ = 1790408360.

The previous prime is 2685612539. The next prime is 2685612577. The reversal of 2685612543 is 3452165862.

2685612543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2685612543 - 2² = 2685612539 is a prime.

It is a super-2 number, since 2×2685612543² = 14425029462237853698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2685612495 and 2685612504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685612533) 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, 447602088 + ... + 447602093.

It is an arithmetic number, because the mean of its divisors is an integer number (895204182).

Almost surely, 2^2685612543 is an apocalyptic number.

2685612543 is a deficient number, since it is larger than the sum of its proper divisors (895204185).

2685612543 is an equidigital number, since it uses as much as digits as its factorization.

2685612543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895204184.

The product of its digits is 345600, while the sum is 42.

The square root of 2685612543 is about 51822.8959341332. The cubic root of 2685612543 is about 1389.9988860126.

The spelling of 2685612543 in words is "two billion, six hundred eighty-five million, six hundred twelve thousand, five hundred forty-three".