2096986194181 has 4 divisors (see below), whose sum is σ = 2118604608652. Its totient is φ = 2075367779712.

The previous prime is 2096986194157. The next prime is 2096986194283. The reversal of 2096986194181 is 1814916896902.

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 652581230625 + 1444404963556 = 807825^2 + 1201834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2096986194181 - 2³¹ = 2094838710533 is a prime.

It is a super-2 number, since 2×2096986194181² (a number of 25 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 (2096986194131) 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 3 ways as a sum of consecutive naturals, for example, 10809207090 + ... + 10809207283.

It is an arithmetic number, because the mean of its divisors is an integer number (529651152163).

Almost surely, 2^{2096986194181} is an apocalyptic number.

It is an amenable number.

2096986194181 is a deficient number, since it is larger than the sum of its proper divisors (21618414471).

2096986194181 is an equidigital number, since it uses as much as digits as its factorization.

2096986194181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21618414470.

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 2096986194181 in words is "two trillion, ninety-six billion, nine hundred eighty-six million, one hundred ninety-four thousand, one hundred eighty-one".