2650805218 has 16 divisors (see below), whose sum is σ = 4045419360. Its totient is φ = 1302352416.

The previous prime is 2650805173. The next prime is 2650805221. The reversal of 2650805218 is 8125080562.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386830 + ... + 393622.

It is an arithmetic number, because the mean of its divisors is an integer number (252838710).

Almost surely, 2^2650805218 is an apocalyptic number.

2650805218 is a deficient number, since it is larger than the sum of its proper divisors (1394614142).

2650805218 is a wasteful number, since it uses less digits than its factorization.

2650805218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2650805218 is about 51485.9710795086. The cubic root of 2650805218 is about 1383.9676508109.

The spelling of 2650805218 in words is "two billion, six hundred fifty million, eight hundred five thousand, two hundred eighteen".