12773227573 has 2 divisors, whose sum is σ = 12773227574. Its totient is φ = 12773227572.

The previous prime is 12773227543. The next prime is 12773227589. The reversal of 12773227573 is 37572237721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12764028484 + 9199089 = 112978^2 + 3033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12773227573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12773227513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386613786 + 6386613787.

It is an arithmetic number, because the mean of its divisors is an integer number (6386613787).

Almost surely, 2^12773227573 is an apocalyptic number.

It is an amenable number.

12773227573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773227573 is an equidigital number, since it uses as much as digits as its factorization.

12773227573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864360, while the sum is 46.

The spelling of 12773227573 in words is "twelve billion, seven hundred seventy-three million, two hundred twenty-seven thousand, five hundred seventy-three".