2684664862 has 32 divisors (see below), whose sum is σ = 4502187360. Its totient is φ = 1190267520.

The previous prime is 2684664847. The next prime is 2684664929.

2684664862 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195064 + ... + 208372.

It is an arithmetic number, because the mean of its divisors is an integer number (140693355).

Almost surely, 2^2684664862 is an apocalyptic number.

2684664862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2684664862 is a deficient number, since it is larger than the sum of its proper divisors (1817522498).

2684664862 is a wasteful number, since it uses less digits than its factorization.

2684664862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548.

The product of its digits is 5308416, while the sum is 52.

The square root of 2684664862 is about 51813.7516688379. The cubic root of 2684664862 is about 1389.8353689394.

The spelling of 2684664862 in words is "two billion, six hundred eighty-four million, six hundred sixty-four thousand, eight hundred sixty-two".