2160542542273 has 2 divisors, whose sum is σ = 2160542542274. Its totient is φ = 2160542542272.

The previous prime is 2160542542241. The next prime is 2160542542297. The reversal of 2160542542273 is 3722452450612.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1701086322049 + 459456220224 = 1304257^2 + 677832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160542542273 - 2⁵ = 2160542542241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2160542542373) 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 as a sum of consecutive naturals, namely, 1080271271136 + 1080271271137.

It is an arithmetic number, because the mean of its divisors is an integer number (1080271271137).

Almost surely, 2^{2160542542273} is an apocalyptic number.

It is an amenable number.

2160542542273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160542542273 is an equidigital number, since it uses as much as digits as its factorization.

2160542542273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 43.

Adding to 2160542542273 its reverse (3722452450612), we get a palindrome (5882994992885).

The spelling of 2160542542273 in words is "two trillion, one hundred sixty billion, five hundred forty-two million, five hundred forty-two thousand, two hundred seventy-three".