8893521893513 has 16 divisors (see below), whose sum is σ = 9116619305280. Its totient is φ = 8673100920000.

The previous prime is 8893521893507. The next prime is 8893521893561. The reversal of 8893521893513 is 3153981253988.

It is a cyclic number.

It is not a de Polignac number, because 8893521893513 - 2²⁰ = 8893520844937 is a prime.

It is a super-2 number, since 2×8893521893513² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8893521893513.

It is not an unprimeable number, because it can be changed into a prime (8893521893573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66933698 + ... + 67066436.

It is an arithmetic number, because the mean of its divisors is an integer number (569788706580).

Almost surely, 2^{8893521893513} is an apocalyptic number.

It is an amenable number.

8893521893513 is a deficient number, since it is larger than the sum of its proper divisors (223097411767).

8893521893513 is a wasteful number, since it uses less digits than its factorization.

8893521893513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142808.

The product of its digits is 55987200, while the sum is 65.

The spelling of 8893521893513 in words is "eight trillion, eight hundred ninety-three billion, five hundred twenty-one million, eight hundred ninety-three thousand, five hundred thirteen".