2686686802 has 4 divisors (see below), whose sum is σ = 4030030206. Its totient is φ = 1343343400.

The previous prime is 2686686797. The next prime is 2686686823. The reversal of 2686686802 is 2086866862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2635692921 + 50993881 = 51339^2 + 7141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2686686802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671671699 + ... + 671671702.

Almost surely, 2^2686686802 is an apocalyptic number.

2686686802 is a deficient number, since it is larger than the sum of its proper divisors (1343343404).

2686686802 is a wasteful number, since it uses less digits than its factorization.

2686686802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343343403.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 2686686802 is about 51833.2596119519. The cubic root of 2686686802 is about 1390.1841969035.

The spelling of 2686686802 in words is "two billion, six hundred eighty-six million, six hundred eighty-six thousand, eight hundred two".