2045851310273 has 2 divisors, whose sum is σ = 2045851310274. Its totient is φ = 2045851310272.

The previous prime is 2045851310227. The next prime is 2045851310299. The reversal of 2045851310273 is 3720131585402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1393549557169 + 652301753104 = 1180487^2 + 807652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045851310273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045851310273.

It is not a weakly prime, because it can be changed into another prime (2045851310203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022925655136 + 1022925655137.

It is an arithmetic number, because the mean of its divisors is an integer number (1022925655137).

Almost surely, 2^{2045851310273} is an apocalyptic number.

It is an amenable number.

2045851310273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045851310273 is an equidigital number, since it uses as much as digits as its factorization.

2045851310273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 2045851310273 its reverse (3720131585402), we get a palindrome (5765982895675).

The spelling of 2045851310273 in words is "two trillion, forty-five billion, eight hundred fifty-one million, three hundred ten thousand, two hundred seventy-three".