12592336642 has 16 divisors (see below), whose sum is σ = 19490452632. Its totient is φ = 6097761280.

The previous prime is 12592336619. The next prime is 12592336643. The reversal of 12592336642 is 24663329521.

It can be written as a sum of positive squares in 4 ways, for example, as 10120158801 + 2472177841 = 100599^2 + 49721^2 .

It is not an unprimeable number, because it can be changed into a prime (12592336643) 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 in 7 ways as a sum of consecutive naturals, for example, 549223 + ... + 571690.

Almost surely, 2^12592336642 is an apocalyptic number.

12592336642 is a deficient number, since it is larger than the sum of its proper divisors (6898115990).

12592336642 is a wasteful number, since it uses less digits than its factorization.

12592336642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121093.

The product of its digits is 466560, while the sum is 43.

The spelling of 12592336642 in words is "twelve billion, five hundred ninety-two million, three hundred thirty-six thousand, six hundred forty-two".