2550777289 has 2 divisors, whose sum is σ = 2550777290. Its totient is φ = 2550777288.

The previous prime is 2550777277. The next prime is 2550777323. The reversal of 2550777289 is 9827770552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2412479689 + 138297600 = 49117^2 + 11760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550777289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2550777259) 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, 1275388644 + 1275388645.

It is an arithmetic number, because the mean of its divisors is an integer number (1275388645).

Almost surely, 2^2550777289 is an apocalyptic number.

It is an amenable number.

2550777289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550777289 is an equidigital number, since it uses as much as digits as its factorization.

2550777289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The square root of 2550777289 is about 50505.2204133395. The cubic root of 2550777289 is about 1366.3360083323.

The spelling of 2550777289 in words is "two billion, five hundred fifty million, seven hundred seventy-seven thousand, two hundred eighty-nine".