213299880336 has 75 divisors (see below), whose sum is σ = 617399862321. Its totient is φ = 71094417984.

The previous prime is 213299880317. The next prime is 213299880397. The reversal of 213299880336 is 633088992312.

It is a happy number.

The square root of 213299880336 is 461844.

It is a perfect power (a square), and thus also a powerful number.

213299880336 is a `hidden beast` number, since 2 + 13 + 299 + 8 + 8 + 0 + 336 = 666.

It can be written as a sum of positive squares in only one way, i.e., 167572334736 + 45727545600 = 409356^2 + 213840^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 16619970 + ... + 16632798.

Almost surely, 2^213299880336 is an apocalyptic number.

213299880336 is the 461844-th square number.

It is an amenable number.

213299880336 is an abundant number, since it is smaller than the sum of its proper divisors (404099981985).

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

213299880336 is an frugal number, since it uses more digits than its factorization.

213299880336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25678 (or 12834 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 213299880336 in words is "two hundred thirteen billion, two hundred ninety-nine million, eight hundred eighty thousand, three hundred thirty-six".