2686382194 has 16 divisors (see below), whose sum is σ = 4271053536. Its totient is φ = 1262862400.

The previous prime is 2686382191. The next prime is 2686382323. The reversal of 2686382194 is 4912836862.

It is a super-4 number, since 4×2686382194⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2686382191) 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, 7672 + ... + 73699.

It is an arithmetic number, because the mean of its divisors is an integer number (266940846).

Almost surely, 2^2686382194 is an apocalyptic number.

2686382194 is a deficient number, since it is larger than the sum of its proper divisors (1584671342).

2686382194 is a wasteful number, since it uses less digits than its factorization.

2686382194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82361.

The product of its digits is 995328, while the sum is 49.

The square root of 2686382194 is about 51830.3211836469. The cubic root of 2686382194 is about 1390.1316566977.

The spelling of 2686382194 in words is "two billion, six hundred eighty-six million, three hundred eighty-two thousand, one hundred ninety-four".