2781682266 has 32 divisors (see below), whose sum is σ = 6264907776. Its totient is φ = 815742000.

The previous prime is 2781682259. The next prime is 2781682271. The reversal of 2781682266 is 6622861872.

2781682266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 677740 + ... + 681831.

It is an arithmetic number, because the mean of its divisors is an integer number (195778368).

Almost surely, 2^2781682266 is an apocalyptic number.

2781682266 is an abundant number, since it is smaller than the sum of its proper divisors (3483225510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2781682266 is a wasteful number, since it uses less digits than its factorization.

2781682266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359618.

The product of its digits is 774144, while the sum is 48.

The square root of 2781682266 is about 52741.6558898182. The cubic root of 2781682266 is about 1406.3794350629.

The spelling of 2781682266 in words is "two billion, seven hundred eighty-one million, six hundred eighty-two thousand, two hundred sixty-six".