12779150273 has 2 divisors, whose sum is σ = 12779150274. Its totient is φ = 12779150272.

The previous prime is 12779150261. The next prime is 12779150281. The reversal of 12779150273 is 37205197721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11490124864 + 1289025409 = 107192^2 + 35903^2 .

It is a cyclic number.

It is not a de Polignac number, because 12779150273 - 2¹⁰ = 12779149249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12779150213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6389575136 + 6389575137.

It is an arithmetic number, because the mean of its divisors is an integer number (6389575137).

Almost surely, 2^12779150273 is an apocalyptic number.

It is an amenable number.

12779150273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12779150273 is an equidigital number, since it uses as much as digits as its factorization.

12779150273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 44.

The spelling of 12779150273 in words is "twelve billion, seven hundred seventy-nine million, one hundred fifty thousand, two hundred seventy-three".