213413533452 has 36 divisors (see below), whose sum is σ = 616527986256. Its totient is φ = 60975295200.

The previous prime is 213413533451. The next prime is 213413533477. The reversal of 213413533452 is 254335314312.

213413533452 is a `hidden beast` number, since 213 + 41 + 353 + 3 + 4 + 52 = 666.

213413533452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (213413533451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423439299 + ... + 423439802.

It is an arithmetic number, because the mean of its divisors is an integer number (17125777396).

Almost surely, 2^213413533452 is an apocalyptic number.

It is an amenable number.

213413533452 is an abundant number, since it is smaller than the sum of its proper divisors (403114452804).

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

213413533452 is a wasteful number, since it uses less digits than its factorization.

213413533452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846879118 (or 846879113 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 213413533452 its reverse (254335314312), we get a palindrome (467748847764).

The spelling of 213413533452 in words is "two hundred thirteen billion, four hundred thirteen million, five hundred thirty-three thousand, four hundred fifty-two".