213354566788 has 24 divisors (see below), whose sum is σ = 409061409120. Its totient is φ = 96563123520.

The previous prime is 213354566779. The next prime is 213354566797. The reversal of 213354566788 is 887665453312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213354566779) and next prime (213354566797).

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 7 ways as a sum of consecutive naturals, for example, 10395258 + ... + 10415761.

It is an arithmetic number, because the mean of its divisors is an integer number (17044225380).

Almost surely, 2^213354566788 is an apocalyptic number.

It is an amenable number.

213354566788 is a deficient number, since it is larger than the sum of its proper divisors (195706842332).

213354566788 is a wasteful number, since it uses less digits than its factorization.

213354566788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20811267 (or 20811265 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 213354566788 in words is "two hundred thirteen billion, three hundred fifty-four million, five hundred sixty-six thousand, seven hundred eighty-eight".