8488921108021 has 4 divisors (see below), whose sum is σ = 8533365721344. Its totient is φ = 8444476494700.

The previous prime is 8488921107977. The next prime is 8488921108049. The reversal of 8488921108021 is 1208011298848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8488921108021 - 2²⁵ = 8488887553589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8488921108021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8488921108091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22222306375 + ... + 22222306756.

It is an arithmetic number, because the mean of its divisors is an integer number (2133341430336).

Almost surely, 2^{8488921108021} is an apocalyptic number.

It is an amenable number.

8488921108021 is a deficient number, since it is larger than the sum of its proper divisors (44444613323).

8488921108021 is a wasteful number, since it uses less digits than its factorization.

8488921108021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44444613322.

The product of its (nonzero) digits is 589824, while the sum is 52.

The spelling of 8488921108021 in words is "eight trillion, four hundred eighty-eight billion, nine hundred twenty-one million, one hundred eight thousand, twenty-one".