2845218905 has 16 divisors (see below), whose sum is σ = 3526086144. Its totient is φ = 2201696640.

The previous prime is 2845218881. The next prime is 2845218911. The reversal of 2845218905 is 5098125482.

It is not a de Polignac number, because 2845218905 - 2¹⁸ = 2844956761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529442 + ... + 534788.

It is an arithmetic number, because the mean of its divisors is an integer number (220380384).

Almost surely, 2^2845218905 is an apocalyptic number.

It is an amenable number.

2845218905 is a deficient number, since it is larger than the sum of its proper divisors (680867239).

2845218905 is a wasteful number, since it uses less digits than its factorization.

2845218905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 2845218905 is about 53340.5934068979. The cubic root of 2845218905 is about 1417.0066723162.

The spelling of 2845218905 in words is "two billion, eight hundred forty-five million, two hundred eighteen thousand, nine hundred five".