213489844932 has 576 divisors, whose sum is σ = 672729200640. Its totient is φ = 51277805568.

The previous prime is 213489844861. The next prime is 213489844961. The reversal of 213489844932 is 239448984312.

It is a happy number.

213489844932 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1558319968 + ... + 1558320104.

It is an arithmetic number, because the mean of its divisors is an integer number (1167932640).

Almost surely, 2^213489844932 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 213489844932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336364600320).

213489844932 is an abundant number, since it is smaller than the sum of its proper divisors (459239355708).

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

213489844932 is a wasteful number, since it uses less digits than its factorization.

213489844932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 307 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 57.

The spelling of 213489844932 in words is "two hundred thirteen billion, four hundred eighty-nine million, eight hundred forty-four thousand, nine hundred thirty-two".