2686640002 has 8 divisors (see below), whose sum is σ = 4054684176. Its totient is φ = 1335078612.

The previous prime is 2686639987. The next prime is 2686640023. The reversal of 2686640002 is 2000466862.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2686640002.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4120288 + ... + 4120939.

It is an arithmetic number, because the mean of its divisors is an integer number (506835522).

Almost surely, 2^2686640002 is an apocalyptic number.

2686640002 is a deficient number, since it is larger than the sum of its proper divisors (1368044174).

2686640002 is a wasteful number, since it uses less digits than its factorization.

2686640002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241392.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2686640002 is about 51832.8081623985. The cubic root of 2686640002 is about 1390.1761248799.

The spelling of 2686640002 in words is "two billion, six hundred eighty-six million, six hundred forty thousand, two".