2778710573 has 2 divisors, whose sum is σ = 2778710574. Its totient is φ = 2778710572.

The previous prime is 2778710549. The next prime is 2778710609. The reversal of 2778710573 is 3750178772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2738742889 + 39967684 = 52333^2 + 6322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2778710573 - 2⁶ = 2778710509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2778713573) 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, 1389355286 + 1389355287.

It is an arithmetic number, because the mean of its divisors is an integer number (1389355287).

Almost surely, 2^2778710573 is an apocalyptic number.

It is an amenable number.

2778710573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2778710573 is an equidigital number, since it uses as much as digits as its factorization.

2778710573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576240, while the sum is 47.

The square root of 2778710573 is about 52713.4761991656. The cubic root of 2778710573 is about 1405.8784412186.

The spelling of 2778710573 in words is "two billion, seven hundred seventy-eight million, seven hundred ten thousand, five hundred seventy-three".