2731442747443 has 2 divisors, whose sum is σ = 2731442747444. Its totient is φ = 2731442747442.

The previous prime is 2731442747389. The next prime is 2731442747459. The reversal of 2731442747443 is 3447472441372.

2731442747443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2731442747443 - 2¹³ = 2731442739251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2731442742443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365721373721 + 1365721373722.

It is an arithmetic number, because the mean of its divisors is an integer number (1365721373722).

Almost surely, 2^{2731442747443} is an apocalyptic number.

2731442747443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731442747443 is an equidigital number, since it uses as much as digits as its factorization.

2731442747443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12644352, while the sum is 52.

The spelling of 2731442747443 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-two million, seven hundred forty-seven thousand, four hundred forty-three".