2186852202041 has 4 divisors (see below), whose sum is σ = 2355071602212. Its totient is φ = 2018632801872.

The previous prime is 2186852202037. The next prime is 2186852202077. The reversal of 2186852202041 is 1402022586812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114680436025 + 2072171766016 = 338645^2 + 1439504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2186852202041 - 2² = 2186852202037 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 2186852202041.

It is not an unprimeable number, because it can be changed into a prime (2186852202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84109700066 + ... + 84109700091.

It is an arithmetic number, because the mean of its divisors is an integer number (588767900553).

Almost surely, 2^{2186852202041} is an apocalyptic number.

It is an amenable number.

2186852202041 is a deficient number, since it is larger than the sum of its proper divisors (168219400171).

2186852202041 is a wasteful number, since it uses less digits than its factorization.

2186852202041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168219400170.

The product of its (nonzero) digits is 122880, while the sum is 41.

Adding to 2186852202041 its reverse (1402022586812), we get a palindrome (3588874788853).

The spelling of 2186852202041 in words is "two trillion, one hundred eighty-six billion, eight hundred fifty-two million, two hundred two thousand, forty-one".