208508337086141 has 4 divisors (see below), whose sum is σ = 208529746720800. Its totient is φ = 208486927451484.

The previous prime is 208508337086113. The next prime is 208508337086183. The reversal of 208508337086141 is 141680733805802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208508337086141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208508387086141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10704802721 + ... + 10704822198.

It is an arithmetic number, because the mean of its divisors is an integer number (52132436680200).

Almost surely, 2^{208508337086141} is an apocalyptic number.

It is an amenable number.

208508337086141 is a deficient number, since it is larger than the sum of its proper divisors (21409634659).

208508337086141 is an equidigital number, since it uses as much as digits as its factorization.

208508337086141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409634658.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 208508337086141 in words is "two hundred eight trillion, five hundred eight billion, three hundred thirty-seven million, eighty-six thousand, one hundred forty-one".