219391330208 has 12 divisors (see below), whose sum is σ = 431926681410. Its totient is φ = 109695665088.

The previous prime is 219391330199. The next prime is 219391330211. The reversal of 219391330208 is 802033193912.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 218848067344 + 543262864 = 467812^2 + 23308^2 .

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 as a sum of consecutive naturals, namely, 3427989503 + ... + 3427989566.

Almost surely, 2^219391330208 is an apocalyptic number.

It is an amenable number.

219391330208 is a deficient number, since it is larger than the sum of its proper divisors (212535351202).

219391330208 is an equidigital number, since it uses as much as digits as its factorization.

219391330208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855979079 (or 6855979071 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 219391330208 in words is "two hundred nineteen billion, three hundred ninety-one million, three hundred thirty thousand, two hundred eight".