8421211889596 has 36 divisors (see below), whose sum is σ = 16393818026376. Its totient is φ = 3781705211680.

The previous prime is 8421211889569. The next prime is 8421211889611. The reversal of 8421211889596 is 6959881121248.

It is a congruent number.

It is an unprimeable number.

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, 104774275 + ... + 104854618.

It is an arithmetic number, because the mean of its divisors is an integer number (455383834066).

Almost surely, 2^{8421211889596} is an apocalyptic number.

It is an amenable number.

8421211889596 is a deficient number, since it is larger than the sum of its proper divisors (7972606136780).

8421211889596 is a wasteful number, since it uses less digits than its factorization.

8421211889596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209629002 (or 209628989 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 64.

The spelling of 8421211889596 in words is "eight trillion, four hundred twenty-one billion, two hundred eleven million, eight hundred eighty-nine thousand, five hundred ninety-six".