2782683081 has 24 divisors (see below), whose sum is σ = 4246519680. Its totient is φ = 1753034976.

The previous prime is 2782683077. The next prime is 2782683107. The reversal of 2782683081 is 1803862872.

It is not a de Polignac number, because 2782683081 - 2² = 2782683077 is a prime.

It is a super-2 number, since 2×2782683081² = 15486650258567305122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2782683031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101155 + ... + 125688.

It is an arithmetic number, because the mean of its divisors is an integer number (176938320).

Almost surely, 2^2782683081 is an apocalyptic number.

It is an amenable number.

2782683081 is a deficient number, since it is larger than the sum of its proper divisors (1463836599).

2782683081 is a wasteful number, since it uses less digits than its factorization.

2782683081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226925 (or 226922 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2782683081 is about 52751.1429354853. The cubic root of 2782683081 is about 1406.5480808355.

The spelling of 2782683081 in words is "two billion, seven hundred eighty-two million, six hundred eighty-three thousand, eighty-one".