2686816131 has 8 divisors (see below), whose sum is σ = 3590973120. Its totient is φ = 1786934952.

The previous prime is 2686816109. The next prime is 2686816183. The reversal of 2686816131 is 1316186862.

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

It is not a de Polignac number, because 2686816131 - 2¹¹ = 2686814083 is a prime.

It is a super-2 number, since 2×2686816131² = 14437961843603618322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2686816031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1067485 + ... + 1069998.

It is an arithmetic number, because the mean of its divisors is an integer number (448871640).

Almost surely, 2^2686816131 is an apocalyptic number.

2686816131 is a deficient number, since it is larger than the sum of its proper divisors (904156989).

2686816131 is a wasteful number, since it uses less digits than its factorization.

2686816131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137905.

The product of its digits is 82944, while the sum is 42.

The square root of 2686816131 is about 51834.5071453371. The cubic root of 2686816131 is about 1390.2065029705.

The spelling of 2686816131 in words is "two billion, six hundred eighty-six million, eight hundred sixteen thousand, one hundred thirty-one".