2773253663 has 2 divisors, whose sum is σ = 2773253664. Its totient is φ = 2773253662.

The previous prime is 2773253627. The next prime is 2773253671. The reversal of 2773253663 is 3663523772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2773253663 - 2¹⁰ = 2773252639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2773252663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386626831 + 1386626832.

It is an arithmetic number, because the mean of its divisors is an integer number (1386626832).

Almost surely, 2^2773253663 is an apocalyptic number.

2773253663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773253663 is an equidigital number, since it uses as much as digits as its factorization.

2773253663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 44.

The square root of 2773253663 is about 52661.6906583904. The cubic root of 2773253663 is about 1404.9575369106.

The spelling of 2773253663 in words is "two billion, seven hundred seventy-three million, two hundred fifty-three thousand, six hundred sixty-three".