2648818856 has 16 divisors (see below), whose sum is σ = 5072207040. Its totient is φ = 1296230320.

The previous prime is 2648818787. The next prime is 2648818859. The reversal of 2648818856 is 6588188462.

It is a super-2 number, since 2×2648818856² = 14032482663802297472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2648818859) 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, 3521990 + ... + 3522741.

It is an arithmetic number, because the mean of its divisors is an integer number (317012940).

Almost surely, 2^2648818856 is an apocalyptic number.

It is an amenable number.

2648818856 is a deficient number, since it is larger than the sum of its proper divisors (2423388184).

2648818856 is a wasteful number, since it uses less digits than its factorization.

2648818856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044784 (or 7044780 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 56.

The square root of 2648818856 is about 51466.6771416224. The cubic root of 2648818856 is about 1383.6218756629.

The spelling of 2648818856 in words is "two billion, six hundred forty-eight million, eight hundred eighteen thousand, eight hundred fifty-six".