219593460820968 has 48 divisors (see below), whose sum is σ = 640480927397220. Its totient is φ = 67567218713856.

The previous prime is 219593460820967. The next prime is 219593460820997. The reversal of 219593460820968 is 869028064395912.

219593460820968 is a `hidden beast` number, since 2 + 1 + 9 + 5 + 9 + 3 + 4 + 608 + 2 + 0 + 9 + 6 + 8 = 666.

219593460820968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202572538908804 + 17020921912164 = 14232798^2 + 4125642^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 219593460820896 and 219593460820905.

It is not an unprimeable number, because it can be changed into a prime (219593460820967) 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, 117304198221 + ... + 117304200092.

Almost surely, 2^{219593460820968} is an apocalyptic number.

It is an amenable number.

219593460820968 is an abundant number, since it is smaller than the sum of its proper divisors (420887466576252).

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

219593460820968 is a wasteful number, since it uses less digits than its factorization.

219593460820968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234608398338 (or 234608398331 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 72.

The spelling of 219593460820968 in words is "two hundred nineteen trillion, five hundred ninety-three billion, four hundred sixty million, eight hundred twenty thousand, nine hundred sixty-eight".