219394896808 has 16 divisors (see below), whose sum is σ = 433016244000. Its totient is φ = 103923898416.

The previous prime is 219394896803. The next prime is 219394896821. The reversal of 219394896808 is 808698493912.

219394896808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (219394896803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721693588 + ... + 721693891.

It is an arithmetic number, because the mean of its divisors is an integer number (27063515250).

Almost surely, 2^219394896808 is an apocalyptic number.

It is an amenable number.

219394896808 is a deficient number, since it is larger than the sum of its proper divisors (213621347192).

219394896808 is a wasteful number, since it uses less digits than its factorization.

219394896808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443387504 (or 1443387500 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 67.

The spelling of 219394896808 in words is "two hundred nineteen billion, three hundred ninety-four million, eight hundred ninety-six thousand, eight hundred eight".