2810728253 has 2 divisors, whose sum is σ = 2810728254. Its totient is φ = 2810728252.

The previous prime is 2810728241. The next prime is 2810728279. The reversal of 2810728253 is 3528270182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2800314724 + 10413529 = 52918^2 + 3227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2810728253 - 2¹² = 2810724157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2810728223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405364126 + 1405364127.

It is an arithmetic number, because the mean of its divisors is an integer number (1405364127).

Almost surely, 2^2810728253 is an apocalyptic number.

It is an amenable number.

2810728253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2810728253 is an equidigital number, since it uses as much as digits as its factorization.

2810728253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2810728253 is about 53016.3017665322. The cubic root of 2810728253 is about 1411.2575761239.

The spelling of 2810728253 in words is "two billion, eight hundred ten million, seven hundred twenty-eight thousand, two hundred fifty-three".