213793169236 has 12 divisors (see below), whose sum is σ = 374389662528. Its totient is φ = 106824694232.

The previous prime is 213793169179. The next prime is 213793169251. The reversal of 213793169236 is 632961397312.

It is a happy number.

213793169236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×213793169236⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17965906 + ... + 17977801.

It is an arithmetic number, because the mean of its divisors is an integer number (31199138544).

Almost surely, 2^213793169236 is an apocalyptic number.

It is an amenable number.

213793169236 is a deficient number, since it is larger than the sum of its proper divisors (160596493292).

213793169236 is a wasteful number, since it uses less digits than its factorization.

213793169236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35945198 (or 35945196 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The spelling of 213793169236 in words is "two hundred thirteen billion, seven hundred ninety-three million, one hundred sixty-nine thousand, two hundred thirty-six".