2685950543 has 4 divisors (see below), whose sum is σ = 2697095808. Its totient is φ = 2674805280.

The previous prime is 2685950537. The next prime is 2685950569. The reversal of 2685950543 is 3450595862.

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 2685950543 - 2²⁴ = 2669173327 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 (2685950573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5572271 + ... + 5572752.

It is an arithmetic number, because the mean of its divisors is an integer number (674273952).

Almost surely, 2^2685950543 is an apocalyptic number.

2685950543 is a deficient number, since it is larger than the sum of its proper divisors (11145265).

2685950543 is a wasteful number, since it uses less digits than its factorization.

2685950543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145264.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The square root of 2685950543 is about 51826.1569383646. The cubic root of 2685950543 is about 1390.0571967217.

The spelling of 2685950543 in words is "two billion, six hundred eighty-five million, nine hundred fifty thousand, five hundred forty-three".