2686708686 has 8 divisors (see below), whose sum is σ = 5373417384. Its totient is φ = 895569560.

The previous prime is 2686708603. The next prime is 2686708691. The reversal of 2686708686 is 6868076862.

2686708686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2686708686 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223892385 + ... + 223892396.

It is an arithmetic number, because the mean of its divisors is an integer number (671677173).

Almost surely, 2^2686708686 is an apocalyptic number.

2686708686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686708686 is a wasteful number, since it uses less digits than its factorization.

2686708686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447784786.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The square root of 2686708686 is about 51833.4707115007. The cubic root of 2686708686 is about 1390.1879714048.

The spelling of 2686708686 in words is "two billion, six hundred eighty-six million, seven hundred eight thousand, six hundred eighty-six".