213992615232 has 448 divisors, whose sum is σ = 728523694080. Its totient is φ = 60875366400.

The previous prime is 213992615231. The next prime is 213992615251. The reversal of 213992615232 is 232516299312.

213992615232 is a `hidden beast` number, since 2 + 1 + 3 + 9 + 9 + 2 + 615 + 23 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213992615231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196143007 + ... + 196144097.

It is an arithmetic number, because the mean of its divisors is an integer number (1626168960).

Almost surely, 2^213992615232 is an apocalyptic number.

213992615232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213992615232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364261847040).

213992615232 is an abundant number, since it is smaller than the sum of its proper divisors (514531078848).

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

213992615232 is a wasteful number, since it uses less digits than its factorization.

213992615232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1731 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 213992615232 in words is "two hundred thirteen billion, nine hundred ninety-two million, six hundred fifteen thousand, two hundred thirty-two".