2773655441 has 2 divisors, whose sum is σ = 2773655442. Its totient is φ = 2773655440.

The previous prime is 2773655369. The next prime is 2773655449. The reversal of 2773655441 is 1445563772.

It is a happy number.

2773655441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622478400 + 1151177041 = 40280^2 + 33929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2773655441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2773655392 and 2773655401.

It is not a weakly prime, because it can be changed into another prime (2773655449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386827720 + 1386827721.

It is an arithmetic number, because the mean of its divisors is an integer number (1386827721).

Almost surely, 2^2773655441 is an apocalyptic number.

It is an amenable number.

2773655441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773655441 is an equidigital number, since it uses as much as digits as its factorization.

2773655441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The square root of 2773655441 is about 52665.5052287548. The cubic root of 2773655441 is about 1405.0253818610.

The spelling of 2773655441 in words is "two billion, seven hundred seventy-three million, six hundred fifty-five thousand, four hundred forty-one".