8429643986913 has 12 divisors (see below), whose sum is σ = 12176377918848. Its totient is φ = 5619658584120.

The previous prime is 8429643986909. The next prime is 8429643986921. The reversal of 8429643986913 is 3196893469248.

8429643986913 is a `hidden beast` number, since 8 + 4 + 29 + 6 + 439 + 86 + 91 + 3 = 666.

It is not a de Polignac number, because 8429643986913 - 2² = 8429643986909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8429643986963) 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 11 ways as a sum of consecutive naturals, for example, 8158233 + ... + 9133238.

It is an arithmetic number, because the mean of its divisors is an integer number (1014698159904).

Almost surely, 2^{8429643986913} is an apocalyptic number.

It is an amenable number.

8429643986913 is a deficient number, since it is larger than the sum of its proper divisors (3746733931935).

8429643986913 is a wasteful number, since it uses less digits than its factorization.

8429643986913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345644 (or 17345641 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 72.

The spelling of 8429643986913 in words is "eight trillion, four hundred twenty-nine billion, six hundred forty-three million, nine hundred eighty-six thousand, nine hundred thirteen".