12775573193 has 4 divisors (see below), whose sum is σ = 12776134020. Its totient is φ = 12775012368.

The previous prime is 12775573171. The next prime is 12775573271. The reversal of 12775573193 is 39137557721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2475759049 + 10299814144 = 49757^2 + 101488^2 .

It is a cyclic number.

It is not a de Polignac number, because 12775573193 - 2¹⁰ = 12775572169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12775573163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244730 + ... + 292307.

It is an arithmetic number, because the mean of its divisors is an integer number (3194033505).

Almost surely, 2^12775573193 is an apocalyptic number.

It is an amenable number.

12775573193 is a deficient number, since it is larger than the sum of its proper divisors (560827).

12775573193 is an equidigital number, since it uses as much as digits as its factorization.

12775573193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560826.

The product of its digits is 1389150, while the sum is 50.

The spelling of 12775573193 in words is "twelve billion, seven hundred seventy-five million, five hundred seventy-three thousand, one hundred ninety-three".