2685843047 has 8 divisors (see below), whose sum is σ = 2760044112. Its totient is φ = 2612056000.

The previous prime is 2685843029. The next prime is 2685843077. The reversal of 2685843047 is 7403485862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2685843047 - 2¹⁰ = 2685842023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2685842992 and 2685843010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685843077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90329 + ... + 116322.

It is an arithmetic number, because the mean of its divisors is an integer number (345005514).

Almost surely, 2^2685843047 is an apocalyptic number.

2685843047 is a deficient number, since it is larger than the sum of its proper divisors (74201065).

2685843047 is a wasteful number, since it uses less digits than its factorization.

2685843047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207009.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 2685843047 is about 51825.1198454958. The cubic root of 2685843047 is about 1390.0386523765.

The spelling of 2685843047 in words is "two billion, six hundred eighty-five million, eight hundred forty-three thousand, forty-seven".