208473609601 has 2 divisors, whose sum is σ = 208473609602. Its totient is φ = 208473609600.

The previous prime is 208473609587. The next prime is 208473609737. The reversal of 208473609601 is 106906374802.

208473609601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173429769601 + 35043840000 = 416449^2 + 187200^2 .

It is a cyclic number.

It is not a de Polignac number, because 208473609601 - 2⁵ = 208473609569 is a prime.

It is a super-2 number, since 2×208473609601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (208473601601) 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 as a sum of consecutive naturals, namely, 104236804800 + 104236804801.

It is an arithmetic number, because the mean of its divisors is an integer number (104236804801).

Almost surely, 2^208473609601 is an apocalyptic number.

It is an amenable number.

208473609601 is a deficient number, since it is larger than the sum of its proper divisors (1).

208473609601 is an equidigital number, since it uses as much as digits as its factorization.

208473609601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 208473609601 in words is "two hundred eight billion, four hundred seventy-three million, six hundred nine thousand, six hundred one".