2684828266 has 4 divisors (see below), whose sum is σ = 4027242402. Its totient is φ = 1342414132.

The previous prime is 2684828243. The next prime is 2684828287. The reversal of 2684828266 is 6628284862.

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

It can be written as a sum of positive squares in only one way, i.e., 2550755025 + 134073241 = 50505^2 + 11579^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 671207065 + ... + 671207068.

Almost surely, 2^2684828266 is an apocalyptic number.

2684828266 is a deficient number, since it is larger than the sum of its proper divisors (1342414136).

2684828266 is a wasteful number, since it uses less digits than its factorization.

2684828266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342414135.

The product of its digits is 3538944, while the sum is 52.

The square root of 2684828266 is about 51815.3284849184. The cubic root of 2684828266 is about 1389.8635661338.

The spelling of 2684828266 in words is "two billion, six hundred eighty-four million, eight hundred twenty-eight thousand, two hundred sixty-six".