219047862272 has 42 divisors (see below), whose sum is σ = 438153718179. Its totient is φ = 109502750720.

The previous prime is 219047862251. The next prime is 219047862317. The reversal of 219047862272 is 272268740912.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 109523931136 + 109523931136 = 330944^2 + 330944^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=330944.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 219047862272.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42358247 + ... + 42363417.

Almost surely, 2^219047862272 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 219047862272

219047862272 is an abundant number, since it is smaller than the sum of its proper divisors (219105855907).

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

219047862272 is an frugal number, since it uses more digits than its factorization.

219047862272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

Multiplying 219047862272 by its sum of digits (50), we get a square (10952393113600 = 3309440²).

The spelling of 219047862272 in words is "two hundred nineteen billion, forty-seven million, eight hundred sixty-two thousand, two hundred seventy-two".