208594452955 has 16 divisors (see below), whose sum is σ = 286363459584. Its totient is φ = 142890662880.

The previous prime is 208594452953. The next prime is 208594453007. The reversal of 208594452955 is 559254495802.

It is not a de Polignac number, because 208594452955 - 2¹ = 208594452953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208594452955.

It is not an unprimeable number, because it can be changed into a prime (208594452953) 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 in 15 ways as a sum of consecutive naturals, for example, 2997051 + ... + 3065860.

It is an arithmetic number, because the mean of its divisors is an integer number (17897716224).

Almost surely, 2^208594452955 is an apocalyptic number.

208594452955 is a deficient number, since it is larger than the sum of its proper divisors (77769006629).

208594452955 is an equidigital number, since it uses as much as digits as its factorization.

208594452955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063906.

The product of its (nonzero) digits is 25920000, while the sum is 58.

The spelling of 208594452955 in words is "two hundred eight billion, five hundred ninety-four million, four hundred fifty-two thousand, nine hundred fifty-five".