206326713834 has 64 divisors (see below), whose sum is σ = 476302498560. Its totient is φ = 66153024000.

The previous prime is 206326713799. The next prime is 206326713839. The reversal of 206326713834 is 438317623602.

206326713834 is a `hidden beast` number, since 2 + 0 + 6 + 3 + 267 + 1 + 383 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 206326713834.

It is not an unprimeable number, because it can be changed into a prime (206326713839) 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 31 ways as a sum of consecutive naturals, for example, 499087 + ... + 813474.

It is an arithmetic number, because the mean of its divisors is an integer number (7442226540).

Almost surely, 2^206326713834 is an apocalyptic number.

206326713834 is an abundant number, since it is smaller than the sum of its proper divisors (269975784726).

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

206326713834 is a wasteful number, since it uses less digits than its factorization.

206326713834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312684 (or 1312678 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 206326713834 in words is "two hundred six billion, three hundred twenty-six million, seven hundred thirteen thousand, eight hundred thirty-four".