2684782273 has 4 divisors (see below), whose sum is σ = 2842710660. Its totient is φ = 2526853888.

The previous prime is 2684782267. The next prime is 2684782297. The reversal of 2684782273 is 3722874862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1126743489 + 1558038784 = 33567^2 + 39472^2 .

It is not a de Polignac number, because 2684782273 - 2⁹ = 2684781761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2684782073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78964168 + ... + 78964201.

It is an arithmetic number, because the mean of its divisors is an integer number (710677665).

Almost surely, 2^2684782273 is an apocalyptic number.

It is an amenable number.

2684782273 is a deficient number, since it is larger than the sum of its proper divisors (157928387).

2684782273 is a wasteful number, since it uses less digits than its factorization.

2684782273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157928386.

The product of its digits is 1806336, while the sum is 49.

The square root of 2684782273 is about 51814.8846664740. The cubic root of 2684782273 is about 1389.8556296411.

The spelling of 2684782273 in words is "two billion, six hundred eighty-four million, seven hundred eighty-two thousand, two hundred seventy-three".