221743436273341 has 4 divisors (see below), whose sum is σ = 223777779725500. Its totient is φ = 219709092821184.

The previous prime is 221743436273327. The next prime is 221743436273413. The reversal of 221743436273341 is 143372634347122.

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 198875711428900 + 22867724844441 = 14102330^2 + 4782021^2 .

It is a cyclic number.

It is not a de Polignac number, because 221743436273341 - 2⁵ = 221743436273309 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 (221743436223341) 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, 1017171725916 + ... + 1017171726133.

It is an arithmetic number, because the mean of its divisors is an integer number (55944444931375).

Almost surely, 2^{221743436273341} is an apocalyptic number.

It is an amenable number.

221743436273341 is a deficient number, since it is larger than the sum of its proper divisors (2034343452159).

221743436273341 is a wasteful number, since it uses less digits than its factorization.

221743436273341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034343452158.

The product of its digits is 12192768, while the sum is 52.

The spelling of 221743436273341 in words is "two hundred twenty-one trillion, seven hundred forty-three billion, four hundred thirty-six million, two hundred seventy-three thousand, three hundred forty-one".