208054614899 has 2 divisors, whose sum is σ = 208054614900. Its totient is φ = 208054614898.

The previous prime is 208054614811. The next prime is 208054614917. The reversal of 208054614899 is 998416450802.

208054614899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208054614899 - 2¹⁶ = 208054549363 is a prime.

It is not a weakly prime, because it can be changed into another prime (208054614809) 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, 104027307449 + 104027307450.

It is an arithmetic number, because the mean of its divisors is an integer number (104027307450).

Almost surely, 2^208054614899 is an apocalyptic number.

208054614899 is a deficient number, since it is larger than the sum of its proper divisors (1).

208054614899 is an equidigital number, since it uses as much as digits as its factorization.

208054614899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 208054614899 in words is "two hundred eight billion, fifty-four million, six hundred fourteen thousand, eight hundred ninety-nine".