2085720142273 has 2 divisors, whose sum is σ = 2085720142274. Its totient is φ = 2085720142272.

The previous prime is 2085720142267. The next prime is 2085720142277. The reversal of 2085720142273 is 3722410275802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1691099978929 + 394620163344 = 1300423^2 + 628188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085720142273 - 2¹⁷ = 2085720011201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085720142277) 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, 1042860071136 + 1042860071137.

It is an arithmetic number, because the mean of its divisors is an integer number (1042860071137).

Almost surely, 2^{2085720142273} is an apocalyptic number.

It is an amenable number.

2085720142273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085720142273 is an equidigital number, since it uses as much as digits as its factorization.

2085720142273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 2085720142273 in words is "two trillion, eighty-five billion, seven hundred twenty million, one hundred forty-two thousand, two hundred seventy-three".