2775265289 has 2 divisors, whose sum is σ = 2775265290. Its totient is φ = 2775265288.

The previous prime is 2775265271. The next prime is 2775265291. The reversal of 2775265289 is 9825625772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2448270400 + 326994889 = 49480^2 + 18083^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775265289 - 2¹⁶ = 2775199753 is a prime.

Together with 2775265291, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2775265289.

It is not a weakly prime, because it can be changed into another prime (2775265489) 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, 1387632644 + 1387632645.

It is an arithmetic number, because the mean of its divisors is an integer number (1387632645).

Almost surely, 2^2775265289 is an apocalyptic number.

It is an amenable number.

2775265289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775265289 is an equidigital number, since it uses as much as digits as its factorization.

2775265289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The square root of 2775265289 is about 52680.7867158417. The cubic root of 2775265289 is about 1405.2971579687.

The spelling of 2775265289 in words is "two billion, seven hundred seventy-five million, two hundred sixty-five thousand, two hundred eighty-nine".