219712328048 has 30 divisors (see below), whose sum is σ = 434775361584. Its totient is φ = 107512508608.

The previous prime is 219712328039. The next prime is 219712328063. The reversal of 219712328048 is 840823217912.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 219712327993 and 219712328011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12845390 + ... + 12862482.

Almost surely, 2^219712328048 is an apocalyptic number.

It is an amenable number.

219712328048 is a deficient number, since it is larger than the sum of its proper divisors (215063033536).

219712328048 is an frugal number, since it uses more digits than its factorization.

219712328048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34241 (or 17142 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

Multiplying 219712328048 by its sum of digits (47), we get a square (10326479418256 = 3213484²).

219712328048 divided by its sum of digits (47) gives a square (4674730384 = 68372²).

The spelling of 219712328048 in words is "two hundred nineteen billion, seven hundred twelve million, three hundred twenty-eight thousand, forty-eight".