2686284331 has 4 divisors (see below), whose sum is σ = 2686415992. Its totient is φ = 2686152672.

The previous prime is 2686284329. The next prime is 2686284343. The reversal of 2686284331 is 1334826862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686284331 - 2¹ = 2686284329 is a prime.

It is a super-2 number, since 2×2686284331² = 14432247013952235122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686284031) 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, 27966 + ... + 78451.

It is an arithmetic number, because the mean of its divisors is an integer number (671603998).

Almost surely, 2^2686284331 is an apocalyptic number.

2686284331 is a deficient number, since it is larger than the sum of its proper divisors (131661).

2686284331 is a wasteful number, since it uses less digits than its factorization.

2686284331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131660.

The product of its digits is 331776, while the sum is 43.

The square root of 2686284331 is about 51829.3771041096. The cubic root of 2686284331 is about 1390.1147759890.

The spelling of 2686284331 in words is "two billion, six hundred eighty-six million, two hundred eighty-four thousand, three hundred thirty-one".