213766733333 has 4 divisors (see below), whose sum is σ = 213783110688. Its totient is φ = 213750355980.

The previous prime is 213766733311. The next prime is 213766733351. The reversal of 213766733333 is 333337667312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213766733333 - 2¹⁶ = 213766667797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213766733833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8169083 + ... + 8195208.

It is an arithmetic number, because the mean of its divisors is an integer number (53445777672).

Almost surely, 2^213766733333 is an apocalyptic number.

It is an amenable number.

213766733333 is a deficient number, since it is larger than the sum of its proper divisors (16377355).

213766733333 is a wasteful number, since it uses less digits than its factorization.

213766733333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377354.

The product of its digits is 2571912, while the sum is 47.

The spelling of 213766733333 in words is "two hundred thirteen billion, seven hundred sixty-six million, seven hundred thirty-three thousand, three hundred thirty-three".