213390500670 has 48 divisors (see below), whose sum is σ = 556102677312. Its totient is φ = 56772095040.

The previous prime is 213390500627. The next prime is 213390500671. The reversal of 213390500670 is 76005093312.

213390500670 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 90 + 500 + 67 + 0 = 666.

213390500670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213390500671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2711797 + ... + 2789376.

It is an arithmetic number, because the mean of its divisors is an integer number (11585472444).

Almost surely, 2^213390500670 is an apocalyptic number.

213390500670 is an abundant number, since it is smaller than the sum of its proper divisors (342712176642).

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

213390500670 is a wasteful number, since it uses less digits than its factorization.

213390500670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501617 (or 5501614 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

Adding to 213390500670 its reverse (76005093312), we get a palindrome (289395593982).

The spelling of 213390500670 in words is "two hundred thirteen billion, three hundred ninety million, five hundred thousand, six hundred seventy".