219468899052 has 36 divisors (see below), whose sum is σ = 597443115360. Its totient is φ = 67528891872.

The previous prime is 219468899051. The next prime is 219468899087. The reversal of 219468899052 is 250998864912.

219468899052 is a `hidden beast` number, since 2 + 1 + 9 + 468 + 89 + 90 + 5 + 2 = 666.

219468899052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (219468899051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234474852 + ... + 234475787.

Almost surely, 2^219468899052 is an apocalyptic number.

It is an amenable number.

219468899052 is an abundant number, since it is smaller than the sum of its proper divisors (377974216308).

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

219468899052 is a wasteful number, since it uses less digits than its factorization.

219468899052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468950662 (or 468950657 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 219468899052 in words is "two hundred nineteen billion, four hundred sixty-eight million, eight hundred ninety-nine thousand, fifty-two".