2686286685 has 16 divisors (see below), whose sum is σ = 4304295360. Its totient is φ = 1430607360.

The previous prime is 2686286663. The next prime is 2686286689. The reversal of 2686286685 is 5866826862.

It is not a de Polignac number, because 2686286685 - 2⁶ = 2686286621 is a prime.

It is a super-2 number, since 2×2686286685² = 14432272308016578450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686286689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119220 + ... + 139949.

It is an arithmetic number, because the mean of its divisors is an integer number (269018460).

Almost surely, 2^2686286685 is an apocalyptic number.

It is an amenable number.

2686286685 is a deficient number, since it is larger than the sum of its proper divisors (1618008675).

2686286685 is a wasteful number, since it uses less digits than its factorization.

2686286685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259868.

The product of its digits is 13271040, while the sum is 57.

The square root of 2686286685 is about 51829.3998132334. The cubic root of 2686286685 is about 1390.1151820429.

The spelling of 2686286685 in words is "two billion, six hundred eighty-six million, two hundred eighty-six thousand, six hundred eighty-five".