2785606273 has 2 divisors, whose sum is σ = 2785606274. Its totient is φ = 2785606272.

The previous prime is 2785606237. The next prime is 2785606367. The reversal of 2785606273 is 3726065872.

Together with previous prime (2785606237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1967188609 + 818417664 = 44353^2 + 28608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2785606273 - 2⁹ = 2785605761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2785603273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392803136 + 1392803137.

It is an arithmetic number, because the mean of its divisors is an integer number (1392803137).

Almost surely, 2^2785606273 is an apocalyptic number.

It is an amenable number.

2785606273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785606273 is an equidigital number, since it uses as much as digits as its factorization.

2785606273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 2785606273 is about 52778.8430434014. The cubic root of 2785606273 is about 1407.0404319317.

The spelling of 2785606273 in words is "two billion, seven hundred eighty-five million, six hundred six thousand, two hundred seventy-three".