219434423408 has 10 divisors (see below), whose sum is σ = 425154195384. Its totient is φ = 109717211696.

The previous prime is 219434423381. The next prime is 219434423431. The reversal of 219434423408 is 804324434912.

It is a happy number.

219434423408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6857325716 + ... + 6857325747.

Almost surely, 2^219434423408 is an apocalyptic number.

It is an amenable number.

219434423408 is a deficient number, since it is larger than the sum of its proper divisors (205719771976).

219434423408 is a wasteful number, since it uses less digits than its factorization.

219434423408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714651471 (or 13714651465 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 219434423408 in words is "two hundred nineteen billion, four hundred thirty-four million, four hundred twenty-three thousand, four hundred eight".