213004434443 has 8 divisors (see below), whose sum is σ = 215673382512. Its totient is φ = 210348046816.

The previous prime is 213004434437. The next prime is 213004434479. The reversal of 213004434443 is 344434400312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213004434443 - 2¹⁸ = 213004172299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213004434403) 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 7 ways as a sum of consecutive naturals, for example, 3105980 + ... + 3173817.

It is an arithmetic number, because the mean of its divisors is an integer number (26959172814).

Almost surely, 2^213004434443 is an apocalyptic number.

213004434443 is a deficient number, since it is larger than the sum of its proper divisors (2668948069).

213004434443 is a wasteful number, since it uses less digits than its factorization.

213004434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280221.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 213004434443 its reverse (344434400312), we get a palindrome (557438834755).

The spelling of 213004434443 in words is "two hundred thirteen billion, four million, four hundred thirty-four thousand, four hundred forty-three".