219717964248 has 16 divisors (see below), whose sum is σ = 549294910680. Its totient is φ = 73239321408.

The previous prime is 219717964247. The next prime is 219717964303. The reversal of 219717964248 is 842469717912.

It is a junction number, because it is equal to n+sod(n) for n = 219717964191 and 219717964200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219717964247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4577457565 + ... + 4577457612.

Almost surely, 2^219717964248 is an apocalyptic number.

It is an amenable number.

219717964248 is an abundant number, since it is smaller than the sum of its proper divisors (329576946432).

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

219717964248 is a wasteful number, since it uses less digits than its factorization.

219717964248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154915186 (or 9154915182 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The spelling of 219717964248 in words is "two hundred nineteen billion, seven hundred seventeen million, nine hundred sixty-four thousand, two hundred forty-eight".