12579641273 has 2 divisors, whose sum is σ = 12579641274. Its totient is φ = 12579641272.

The previous prime is 12579641237. The next prime is 12579641299. The reversal of 12579641273 is 37214697521.

Together with previous prime (12579641237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11338629289 + 1241011984 = 106483^2 + 35228^2 .

It is a cyclic number.

It is not a de Polignac number, because 12579641273 - 2¹² = 12579637177 is a prime.

It is not a weakly prime, because it can be changed into another prime (12579641233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289820636 + 6289820637.

It is an arithmetic number, because the mean of its divisors is an integer number (6289820637).

Almost surely, 2^12579641273 is an apocalyptic number.

It is an amenable number.

12579641273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12579641273 is an equidigital number, since it uses as much as digits as its factorization.

12579641273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The spelling of 12579641273 in words is "twelve billion, five hundred seventy-nine million, six hundred forty-one thousand, two hundred seventy-three".