2686608971 has 8 divisors (see below), whose sum is σ = 2746695744. Its totient is φ = 2626644160.

The previous prime is 2686608959. The next prime is 2686608979. The reversal of 2686608971 is 1798066862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686608971 - 2⁶ = 2686608907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686608979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14801 + ... + 74781.

It is an arithmetic number, because the mean of its divisors is an integer number (343336968).

Almost surely, 2^2686608971 is an apocalyptic number.

2686608971 is a deficient number, since it is larger than the sum of its proper divisors (60086773).

2686608971 is an equidigital number, since it uses as much as digits as its factorization.

2686608971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60981.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 2686608971 is about 51832.5088240961. The cubic root of 2686608971 is about 1390.1707726281.

The spelling of 2686608971 in words is "two billion, six hundred eighty-six million, six hundred eight thousand, nine hundred seventy-one".