8428159092321 has 24 divisors (see below), whose sum is σ = 12299917485024. Its totient is φ = 5560908281280.

The previous prime is 8428159092307. The next prime is 8428159092329. The reversal of 8428159092321 is 1232909518248.

8428159092321 is a `hidden beast` number, since 8 + 4 + 2 + 8 + 1 + 590 + 9 + 23 + 21 = 666.

It is not a de Polignac number, because 8428159092321 - 2⁹ = 8428159091809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8428159092329) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9917391 + ... + 10733636.

It is an arithmetic number, because the mean of its divisors is an integer number (512496561876).

Almost surely, 2^{8428159092321} is an apocalyptic number.

It is an amenable number.

8428159092321 is a deficient number, since it is larger than the sum of its proper divisors (3871758392703).

8428159092321 is a wasteful number, since it uses less digits than its factorization.

8428159092321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651501 (or 20651498 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 8428159092321 in words is "eight trillion, four hundred twenty-eight billion, one hundred fifty-nine million, ninety-two thousand, three hundred twenty-one".