213242043616 has 48 divisors (see below), whose sum is σ = 484196438880. Its totient is φ = 90551001600.

The previous prime is 213242043613. The next prime is 213242043643. The reversal of 213242043616 is 616340242312.

213242043616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213242043611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4342435 + ... + 4391266.

It is an arithmetic number, because the mean of its divisors is an integer number (10087425810).

Almost surely, 2^213242043616 is an apocalyptic number.

It is an amenable number.

213242043616 is an abundant number, since it is smaller than the sum of its proper divisors (270954395264).

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

213242043616 is a wasteful number, since it uses less digits than its factorization.

213242043616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733827 (or 8733819 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 213242043616 its reverse (616340242312), we get a palindrome (829582285928).

The spelling of 213242043616 in words is "two hundred thirteen billion, two hundred forty-two million, forty-three thousand, six hundred sixteen".