213068489960 has 32 divisors (see below), whose sum is σ = 480235010760. Its totient is φ = 85079678976.

The previous prime is 213068489951. The next prime is 213068489981. The reversal of 213068489960 is 69984860312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 210734247364 + 2334242596 = 459058^2 + 48314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213068489896 and 213068489905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4592789 + ... + 4638948.

Almost surely, 2^213068489960 is an apocalyptic number.

213068489960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213068489960 is an abundant number, since it is smaller than the sum of its proper divisors (267166520800).

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

213068489960 is a wasteful number, since it uses less digits than its factorization.

213068489960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232325 (or 9232321 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 213068489960 in words is "two hundred thirteen billion, sixty-eight million, four hundred eighty-nine thousand, nine hundred sixty".