3661344222243 has 4 divisors (see below), whose sum is σ = 4881792296328. Its totient is φ = 2440896148160.

The previous prime is 3661344222233. The next prime is 3661344222259. The reversal of 3661344222243 is 3422224431663.

3661344222243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3661344222243 - 2²⁵ = 3661310667811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3661344222195 and 3661344222204.

It is not an unprimeable number, because it can be changed into a prime (3661344222233) 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, 610224037038 + ... + 610224037043.

It is an arithmetic number, because the mean of its divisors is an integer number (1220448074082).

Almost surely, 2^{3661344222243} is an apocalyptic number.

3661344222243 is a deficient number, since it is larger than the sum of its proper divisors (1220448074085).

3661344222243 is a wasteful number, since it uses less digits than its factorization.

3661344222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220448074084.

The product of its digits is 995328, while the sum is 42.

The spelling of 3661344222243 in words is "three trillion, six hundred sixty-one billion, three hundred forty-four million, two hundred twenty-two thousand, two hundred forty-three".