2686608973 has 16 divisors (see below), whose sum is σ = 2750837760. Its totient is φ = 2623264000.

The previous prime is 2686608959. The next prime is 2686608979. The reversal of 2686608973 is 3798066862.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2686608973 - 2⁵ = 2686608941 is a prime.

It is a super-2 number, since 2×2686608973² = 14435735547608229458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 5608548 + ... + 5609026.

It is an arithmetic number, because the mean of its divisors is an integer number (171927360).

Almost surely, 2^2686608973 is an apocalyptic number.

It is an amenable number.

2686608973 is a deficient number, since it is larger than the sum of its proper divisors (64228787).

2686608973 is a wasteful number, since it uses less digits than its factorization.

2686608973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 2686608973 is about 51832.5088433890. The cubic root of 2686608973 is about 1390.1707729730.

The spelling of 2686608973 in words is "two billion, six hundred eighty-six million, six hundred eight thousand, nine hundred seventy-three".