12631486671 has 6 divisors (see below), whose sum is σ = 18245480760. Its totient is φ = 8420991108.

The previous prime is 12631486669. The next prime is 12631486717. The reversal of 12631486671 is 17668413621.

12631486671 is a `hidden beast` number, since 1 + 2 + 631 + 4 + 8 + 6 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 12631486671 - 2¹ = 12631486669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631486601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701749251 + ... + 701749268.

It is an arithmetic number, because the mean of its divisors is an integer number (3040913460).

Almost surely, 2^12631486671 is an apocalyptic number.

12631486671 is a deficient number, since it is larger than the sum of its proper divisors (5613994089).

12631486671 is a wasteful number, since it uses less digits than its factorization.

12631486671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403498525 (or 1403498522 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 12631486671 in words is "twelve billion, six hundred thirty-one million, four hundred eighty-six thousand, six hundred seventy-one".