219085022805 has 32 divisors (see below), whose sum is σ = 383445024768. Its totient is φ = 105933576000.

The previous prime is 219085022797. The next prime is 219085022909. The reversal of 219085022805 is 508220580912.

It is not a de Polignac number, because 219085022805 - 2³ = 219085022797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748421 + ... + 1869530.

It is an arithmetic number, because the mean of its divisors is an integer number (11982657024).

Almost surely, 2^219085022805 is an apocalyptic number.

It is an amenable number.

219085022805 is a deficient number, since it is larger than the sum of its proper divisors (164360001963).

219085022805 is a wasteful number, since it uses less digits than its factorization.

219085022805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618337.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 219085022805 in words is "two hundred nineteen billion, eighty-five million, twenty-two thousand, eight hundred five".