8893816142021 has 8 divisors (see below), whose sum is σ = 9417009452760. Its totient is φ = 8370625904128.

The previous prime is 8893816141921. The next prime is 8893816142051. The reversal of 8893816142021 is 1202416183988.

It can be written as a sum of positive squares in 4 ways, for example, as 5605596052996 + 3288220089025 = 2367614^2 + 1813345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8893816142021 - 2²⁶ = 8893749033157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8893816142051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8146595 + ... + 9173583.

It is an arithmetic number, because the mean of its divisors is an integer number (1177126181595).

Almost surely, 2^{8893816142021} is an apocalyptic number.

It is an amenable number.

8893816142021 is a deficient number, since it is larger than the sum of its proper divisors (523193310739).

8893816142021 is a wasteful number, since it uses less digits than its factorization.

8893816142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536423.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 8893816142021 in words is "eight trillion, eight hundred ninety-three billion, eight hundred sixteen million, one hundred forty-two thousand, twenty-one".