208685068001 has 4 divisors (see below), whose sum is σ = 214325205012. Its totient is φ = 203044930992.

The previous prime is 208685067991. The next prime is 208685068003. The reversal of 208685068001 is 100860586802.

208685068001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137355478225 + 71329589776 = 370615^2 + 267076^2 .

It is a cyclic number.

It is not a de Polignac number, because 208685068001 - 2³⁴ = 191505198817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208685068003) by changing a digit.

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, 2820068450 + ... + 2820068523.

It is an arithmetic number, because the mean of its divisors is an integer number (53581301253).

Almost surely, 2^208685068001 is an apocalyptic number.

It is an amenable number.

208685068001 is a deficient number, since it is larger than the sum of its proper divisors (5640137011).

208685068001 is an equidigital number, since it uses as much as digits as its factorization.

208685068001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640137010.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 208685068001 in words is "two hundred eight billion, six hundred eighty-five million, sixty-eight thousand, one".