213084773430 has 16 divisors (see below), whose sum is σ = 511403456304. Its totient is φ = 56822606240.

The previous prime is 213084773399. The next prime is 213084773437. The reversal of 213084773430 is 34377480312.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213084773437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551412861 + ... + 3551412920.

It is an arithmetic number, because the mean of its divisors is an integer number (31962716019).

Almost surely, 2^213084773430 is an apocalyptic number.

213084773430 is an abundant number, since it is smaller than the sum of its proper divisors (298318682874).

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

213084773430 is a wasteful number, since it uses less digits than its factorization.

213084773430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102825791.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 213084773430 in words is "two hundred thirteen billion, eighty-four million, seven hundred seventy-three thousand, four hundred thirty".