206345652438 has 16 divisors (see below), whose sum is σ = 430634405376. Its totient is φ = 65791367400.

The previous prime is 206345652391. The next prime is 206345652451. The reversal of 206345652438 is 834256543602.

206345652438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747629038 + ... + 747629313.

It is an arithmetic number, because the mean of its divisors is an integer number (26914650336).

Almost surely, 2^206345652438 is an apocalyptic number.

206345652438 is an abundant number, since it is smaller than the sum of its proper divisors (224288752938).

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

206345652438 is a wasteful number, since it uses less digits than its factorization.

206345652438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495258379.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 206345652438 in words is "two hundred six billion, three hundred forty-five million, six hundred fifty-two thousand, four hundred thirty-eight".