213053394944 has 312 divisors, whose sum is σ = 493575243840. Its totient is φ = 91644493824.

The previous prime is 213053394937. The next prime is 213053394971. The reversal of 213053394944 is 449493350312.

213053394944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275768749 + ... + 1275768915.

Almost surely, 2^213053394944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213053394944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246787621920).

213053394944 is an abundant number, since it is smaller than the sum of its proper divisors (280521848896).

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

213053394944 is a wasteful number, since it uses less digits than its factorization.

213053394944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 213053394944 in words is "two hundred thirteen billion, fifty-three million, three hundred ninety-four thousand, nine hundred forty-four".