12827289593 has 4 divisors (see below), whose sum is σ = 12828399780. Its totient is φ = 12826179408.

The previous prime is 12827289569. The next prime is 12827289617. The reversal of 12827289593 is 39598272821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39598272821 = 47 ⋅842516443.

It is an interprime number because it is at equal distance from previous prime (12827289569) and next prime (12827289617).

It can be written as a sum of positive squares in 2 ways, for example, as 8927037289 + 3900252304 = 94483^2 + 62452^2 .

It is a cyclic number.

It is not a de Polignac number, because 12827289593 - 2¹⁴ = 12827273209 is a prime.

It is a super-2 number, since 2×12827289593² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12827283593) 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, 537578 + ... + 560931.

It is an arithmetic number, because the mean of its divisors is an integer number (3207099945).

Almost surely, 2^12827289593 is an apocalyptic number.

It is an amenable number.

12827289593 is a deficient number, since it is larger than the sum of its proper divisors (1110187).

12827289593 is a wasteful number, since it uses less digits than its factorization.

12827289593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110186.

The product of its digits is 4354560, while the sum is 56.

The spelling of 12827289593 in words is "twelve billion, eight hundred twenty-seven million, two hundred eighty-nine thousand, five hundred ninety-three".