2773286243 has 16 divisors (see below), whose sum is σ = 3414571776. Its totient is φ = 2193415200.

The previous prime is 2773286233. The next prime is 2773286261. The reversal of 2773286243 is 3426823772.

It is a Cunningham number, because it is equal to 52662²-1.

It is a cyclic number.

It is not a de Polignac number, because 2773286243 - 2¹⁰ = 2773285219 is a prime.

It is a super-2 number, since 2×2773286243² = 15382233171226110098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2773286194 and 2773286203.

It is not an unprimeable number, because it can be changed into a prime (2773286233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364880 + ... + 372402.

It is an arithmetic number, because the mean of its divisors is an integer number (213410736).

Almost surely, 2^2773286243 is an apocalyptic number.

2773286243 is a deficient number, since it is larger than the sum of its proper divisors (641285533).

2773286243 is a wasteful number, since it uses less digits than its factorization.

2773286243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594.

The product of its digits is 677376, while the sum is 44.

The square root of 2773286243 is about 52661.9999905055. Note that the first 5 decimals coincide. The cubic root of 2773286243 is about 1404.9630386717.

The spelling of 2773286243 in words is "two billion, seven hundred seventy-three million, two hundred eighty-six thousand, two hundred forty-three".