219214284808 has 8 divisors (see below), whose sum is σ = 411026784030. Its totient is φ = 109607142400.

The previous prime is 219214284791. The next prime is 219214284893. The reversal of 219214284808 is 808482412912.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112116486244 + 107097798564 = 334838^2 + 327258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700892793 + ... + 13700892808.

Almost surely, 2^219214284808 is an apocalyptic number.

It is an amenable number.

219214284808 is a deficient number, since it is larger than the sum of its proper divisors (191812499222).

219214284808 is a wasteful number, since it uses less digits than its factorization.

219214284808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27401785607 (or 27401785603 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 219214284808 in words is "two hundred nineteen billion, two hundred fourteen million, two hundred eighty-four thousand, eight hundred eight".