219424128069 has 8 divisors (see below), whose sum is σ = 293231942080. Its totient is φ = 145949533056.

The previous prime is 219424128031. The next prime is 219424128103. The reversal of 219424128069 is 960821424912.

219424128069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 219424128069 - 2¹¹ = 219424126021 is a prime.

It is a super-2 number, since 2×219424128069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219424129069) 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 7 ways as a sum of consecutive naturals, for example, 83303212 + ... + 83305845.

It is an arithmetic number, because the mean of its divisors is an integer number (36653992760).

Almost surely, 2^219424128069 is an apocalyptic number.

It is an amenable number.

219424128069 is a deficient number, since it is larger than the sum of its proper divisors (73807814011).

219424128069 is a wasteful number, since it uses less digits than its factorization.

219424128069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166609499.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 219424128069 in words is "two hundred nineteen billion, four hundred twenty-four million, one hundred twenty-eight thousand, sixty-nine".