2731446053221 has 4 divisors (see below), whose sum is σ = 2731663762912. Its totient is φ = 2731228343532.

The previous prime is 2731446053213. The next prime is 2731446053243. The reversal of 2731446053221 is 1223506441372.

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 2731446053221 - 2³ = 2731446053213 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 (2731446053201) 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, 108836025 + ... + 108861118.

It is an arithmetic number, because the mean of its divisors is an integer number (682915940728).

Almost surely, 2^{2731446053221} is an apocalyptic number.

It is an amenable number.

2731446053221 is a deficient number, since it is larger than the sum of its proper divisors (217709691).

2731446053221 is a wasteful number, since it uses less digits than its factorization.

2731446053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217709690.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 2731446053221 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-six million, fifty-three thousand, two hundred twenty-one".