206831819364 has 48 divisors (see below), whose sum is σ = 495712492800. Its totient is φ = 67072271616.

The previous prime is 206831819347. The next prime is 206831819399. The reversal of 206831819364 is 463918138602.

206831819364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4277877 + ... + 4325955.

It is an arithmetic number, because the mean of its divisors is an integer number (10327343600).

Almost surely, 2^206831819364 is an apocalyptic number.

It is an amenable number.

206831819364 is an abundant number, since it is smaller than the sum of its proper divisors (288880673436).

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

206831819364 is a wasteful number, since it uses less digits than its factorization.

206831819364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57812 (or 57810 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 206831819364 in words is "two hundred six billion, eight hundred thirty-one million, eight hundred nineteen thousand, three hundred sixty-four".