8639413212671 has 8 divisors (see below), whose sum is σ = 8851923428544. Its totient is φ = 8426988369280.

The previous prime is 8639413212667. The next prime is 8639413212701. The reversal of 8639413212671 is 1762123149368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8639413212671 - 2² = 8639413212667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8639413212611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21138215 + ... + 21543048.

It is an arithmetic number, because the mean of its divisors is an integer number (1106490428568).

Almost surely, 2^{8639413212671} is an apocalyptic number.

8639413212671 is a deficient number, since it is larger than the sum of its proper divisors (212510215873).

8639413212671 is a wasteful number, since it uses less digits than its factorization.

8639413212671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42686241.

The product of its digits is 2612736, while the sum is 53.

The spelling of 8639413212671 in words is "eight trillion, six hundred thirty-nine billion, four hundred thirteen million, two hundred twelve thousand, six hundred seventy-one".