8421334331248 has 20 divisors (see below), whose sum is σ = 16583816174728. Its totient is φ = 4141639834560.

The previous prime is 8421334331233. The next prime is 8421334331273.

8421334331248 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8421334331198 and 8421334331207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314207186 + ... + 4314209137.

Almost surely, 2^{8421334331248} is an apocalyptic number.

It is an amenable number.

8421334331248 is a deficient number, since it is larger than the sum of its proper divisors (8162481843480).

8421334331248 is a wasteful number, since it uses less digits than its factorization.

8421334331248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628416392 (or 8628416386 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 46.

The spelling of 8421334331248 in words is "eight trillion, four hundred twenty-one billion, three hundred thirty-four million, three hundred thirty-one thousand, two hundred forty-eight".