208493049285 has 24 divisors (see below), whose sum is σ = 373045630464. Its totient is φ = 107609315040.

The previous prime is 208493049283. The next prime is 208493049383. The reversal of 208493049285 is 582940394802.

208493049285 is a `hidden beast` number, since 2 + 0 + 8 + 49 + 30 + 492 + 85 = 666.

208493049285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208493049285 - 2¹ = 208493049283 is a prime.

It is a super-2 number, since 2×208493049285² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208493049283) 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 23 ways as a sum of consecutive naturals, for example, 74727297 + ... + 74730086.

It is an arithmetic number, because the mean of its divisors is an integer number (15543567936).

Almost surely, 2^208493049285 is an apocalyptic number.

It is an amenable number.

208493049285 is a deficient number, since it is larger than the sum of its proper divisors (164552581179).

208493049285 is a wasteful number, since it uses less digits than its factorization.

208493049285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149457425 (or 149457422 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 208493049285 in words is "two hundred eight billion, four hundred ninety-three million, forty-nine thousand, two hundred eighty-five".