2144205121543 has 2 divisors, whose sum is σ = 2144205121544. Its totient is φ = 2144205121542.

The previous prime is 2144205121517. The next prime is 2144205121621. The reversal of 2144205121543 is 3451215024412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144205121543 - 2²¹ = 2144203024391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144205121499 and 2144205121508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144205121243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072102560771 + 1072102560772.

It is an arithmetic number, because the mean of its divisors is an integer number (1072102560772).

Almost surely, 2^{2144205121543} is an apocalyptic number.

2144205121543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144205121543 is an equidigital number, since it uses as much as digits as its factorization.

2144205121543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 2144205121543 in words is "two trillion, one hundred forty-four billion, two hundred five million, one hundred twenty-one thousand, five hundred forty-three".