208530312382353 has 16 divisors (see below), whose sum is σ = 299535424474496. Its totient is φ = 128280367388160.

The previous prime is 208530312382321. The next prime is 208530312382367. The reversal of 208530312382353 is 353283213035802.

It is a happy number.

It is not a de Polignac number, because 208530312382353 - 2⁵ = 208530312382321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208530312383353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957779200 + ... + 957996897.

It is an arithmetic number, because the mean of its divisors is an integer number (18720964029656).

Almost surely, 2^{208530312382353} is an apocalyptic number.

It is an amenable number.

208530312382353 is a deficient number, since it is larger than the sum of its proper divisors (91005112092143).

208530312382353 is a wasteful number, since it uses less digits than its factorization.

208530312382353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915778904.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 208530312382353 in words is "two hundred eight trillion, five hundred thirty billion, three hundred twelve million, three hundred eighty-two thousand, three hundred fifty-three".