219630807936 has 160 divisors (see below), whose sum is σ = 655715649600. Its totient is φ = 72975292416.

The previous prime is 219630807919. The next prime is 219630807959. The reversal of 219630807936 is 639708036912.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3211345 + ... + 3279023.

It is an arithmetic number, because the mean of its divisors is an integer number (4098222810).

Almost surely, 2^219630807936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219630807936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327857824800).

219630807936 is an abundant number, since it is smaller than the sum of its proper divisors (436084841664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219630807936 is an equidigital number, since it uses as much as digits as its factorization.

219630807936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68018 (or 67997 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 219630807936 in words is "two hundred nineteen billion, six hundred thirty million, eight hundred seven thousand, nine hundred thirty-six".