2686484811 has 4 divisors (see below), whose sum is σ = 3581979752. Its totient is φ = 1790989872.

The previous prime is 2686484807. The next prime is 2686484833. The reversal of 2686484811 is 1184846862.

It is a happy number.

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

It is not a de Polignac number, because 2686484811 - 2² = 2686484807 is a prime.

It is a super-4 number, since 4×2686484811⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686486811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447747466 + ... + 447747471.

It is an arithmetic number, because the mean of its divisors is an integer number (895494938).

Almost surely, 2^2686484811 is an apocalyptic number.

2686484811 is a deficient number, since it is larger than the sum of its proper divisors (895494941).

2686484811 is an equidigital number, since it uses as much as digits as its factorization.

2686484811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895494940.

The product of its digits is 589824, while the sum is 48.

The square root of 2686484811 is about 51831.3111063187. The cubic root of 2686484811 is about 1390.1493569992.

The spelling of 2686484811 in words is "two billion, six hundred eighty-six million, four hundred eighty-four thousand, eight hundred eleven".