2775550273 has 2 divisors, whose sum is σ = 2775550274. Its totient is φ = 2775550272.

The previous prime is 2775550223. The next prime is 2775550279. The reversal of 2775550273 is 3720555772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1854852624 + 920697649 = 43068^2 + 30343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2775550273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2775550279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387775136 + 1387775137.

It is an arithmetic number, because the mean of its divisors is an integer number (1387775137).

Almost surely, 2^2775550273 is an apocalyptic number.

It is an amenable number.

2775550273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775550273 is an equidigital number, since it uses as much as digits as its factorization.

2775550273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 43.

The square root of 2775550273 is about 52683.4914655435. The cubic root of 2775550273 is about 1405.3452582949.

The spelling of 2775550273 in words is "two billion, seven hundred seventy-five million, five hundred fifty thousand, two hundred seventy-three".