208874584229 has 2 divisors, whose sum is σ = 208874584230. Its totient is φ = 208874584228.

The previous prime is 208874584207. The next prime is 208874584271. The reversal of 208874584229 is 922485478802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199874267329 + 9000316900 = 447073^2 + 94870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208874584229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208874584729) 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 as a sum of consecutive naturals, namely, 104437292114 + 104437292115.

It is an arithmetic number, because the mean of its divisors is an integer number (104437292115).

Almost surely, 2^208874584229 is an apocalyptic number.

It is an amenable number.

208874584229 is a deficient number, since it is larger than the sum of its proper divisors (1).

208874584229 is an equidigital number, since it uses as much as digits as its factorization.

208874584229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 208874584229 in words is "two hundred eight billion, eight hundred seventy-four million, five hundred eighty-four thousand, two hundred twenty-nine".