2685418845 has 16 divisors (see below), whose sum is σ = 4302502080. Its totient is φ = 1430279424.

The previous prime is 2685418831. The next prime is 2685418847. The reversal of 2685418845 is 5488145862.

It is not a de Polignac number, because 2685418845 - 2¹³ = 2685410653 is a prime.

It is a super-2 number, since 2×2685418845² = 14422948746162268050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685418847) 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 15 ways as a sum of consecutive naturals, for example, 110044 + ... + 132213.

It is an arithmetic number, because the mean of its divisors is an integer number (268906380).

Almost surely, 2^2685418845 is an apocalyptic number.

It is an amenable number.

2685418845 is a deficient number, since it is larger than the sum of its proper divisors (1617083235).

2685418845 is a wasteful number, since it uses less digits than its factorization.

2685418845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243004.

The product of its digits is 2457600, while the sum is 51.

The square root of 2685418845 is about 51821.0270546619. The cubic root of 2685418845 is about 1389.9654676306.

The spelling of 2685418845 in words is "two billion, six hundred eighty-five million, four hundred eighteen thousand, eight hundred forty-five".