2108742773 has 2 divisors, whose sum is σ = 2108742774. Its totient is φ = 2108742772.

The previous prime is 2108742767. The next prime is 2108742803. The reversal of 2108742773 is 3772478012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332396004 + 776346769 = 36502^2 + 27863^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108742773 - 2¹⁸ = 2108480629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2108742773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108742473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054371386 + 1054371387.

It is an arithmetic number, because the mean of its divisors is an integer number (1054371387).

Almost surely, 2^2108742773 is an apocalyptic number.

It is an amenable number.

2108742773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108742773 is an equidigital number, since it uses as much as digits as its factorization.

2108742773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 2108742773 is about 45921.0493455888. The cubic root of 2108742773 is about 1282.3538176680.

The spelling of 2108742773 in words is "two billion, one hundred eight million, seven hundred forty-two thousand, seven hundred seventy-three".