12873972245589 has 36 divisors (see below), whose sum is σ = 23295759311916. Its totient is φ = 6790666675968.

The previous prime is 12873972245573. The next prime is 12873972245633. The reversal of 12873972245589 is 98554227937821.

12873972245589 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 3 + 97 + 2 + 2 + 455 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 673412260689 + 12200559984900 = 820617^2 + 3492930^2 .

It is not a de Polignac number, because 12873972245589 - 2⁴ = 12873972245573 is a prime.

It is a super-2 number, since 2×12873972245589² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873972245509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1122789684 + ... + 1122801149.

It is an arithmetic number, because the mean of its divisors is an integer number (647104425331).

Almost surely, 2^{12873972245589} is an apocalyptic number.

It is an amenable number.

12873972245589 is a deficient number, since it is larger than the sum of its proper divisors (10421787066327).

12873972245589 is a wasteful number, since it uses less digits than its factorization.

12873972245589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245590866 (or 2245590856 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 12873972245589 in words is "twelve trillion, eight hundred seventy-three billion, nine hundred seventy-two million, two hundred forty-five thousand, five hundred eighty-nine".