2788740473 has 2 divisors, whose sum is σ = 2788740474. Its totient is φ = 2788740472.

The previous prime is 2788740463. The next prime is 2788740499. The reversal of 2788740473 is 3740478872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660318009 + 1128422464 = 40747^2 + 33592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2788740473 - 2⁴ = 2788740457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2788740403) 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, 1394370236 + 1394370237.

It is an arithmetic number, because the mean of its divisors is an integer number (1394370237).

Almost surely, 2^2788740473 is an apocalyptic number.

It is an amenable number.

2788740473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788740473 is an equidigital number, since it uses as much as digits as its factorization.

2788740473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2107392, while the sum is 50.

The square root of 2788740473 is about 52808.5265179781. The cubic root of 2788740473 is about 1407.5679404626.

The spelling of 2788740473 in words is "two billion, seven hundred eighty-eight million, seven hundred forty thousand, four hundred seventy-three".