12808932453 has 12 divisors (see below), whose sum is σ = 18519715500. Its totient is φ = 8531015616.

The previous prime is 12808932379. The next prime is 12808932469. The reversal of 12808932453 is 35423980821.

12808932453 is a `hidden beast` number, since 12 + 80 + 89 + 32 + 453 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9955449729 + 2853482724 = 99777^2 + 53418^2 .

It is not a de Polignac number, because 12808932453 - 2¹⁷ = 12808801381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12808932399 and 12808932408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808932953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679578 + ... + 698171.

It is an arithmetic number, because the mean of its divisors is an integer number (1543309625).

Almost surely, 2^12808932453 is an apocalyptic number.

It is an amenable number.

12808932453 is a deficient number, since it is larger than the sum of its proper divisors (5710783047).

12808932453 is a wasteful number, since it uses less digits than its factorization.

12808932453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378788 (or 1378785 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 12808932453 in words is "twelve billion, eight hundred eight million, nine hundred thirty-two thousand, four hundred fifty-three".