208812323496941 has 4 divisors (see below), whose sum is σ = 209978872790400. Its totient is φ = 207645774203484.

The previous prime is 208812323496919. The next prime is 208812323496961. The reversal of 208812323496941 is 149694323218802.

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 not a de Polignac number, because 208812323496941 - 2¹⁴ = 208812323480557 is a prime.

It is a super-2 number, since 2×208812323496941² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208812323496961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583274646461 + ... + 583274646818.

It is an arithmetic number, because the mean of its divisors is an integer number (52494718197600).

Almost surely, 2^{208812323496941} is an apocalyptic number.

It is an amenable number.

208812323496941 is a deficient number, since it is larger than the sum of its proper divisors (1166549293459).

208812323496941 is a wasteful number, since it uses less digits than its factorization.

208812323496941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166549293458.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 208812323496941 in words is "two hundred eight trillion, eight hundred twelve billion, three hundred twenty-three million, four hundred ninety-six thousand, nine hundred forty-one".