38993216089 has 15 divisors (see below), whose sum is σ = 41234872677. Its totient is φ = 36873407844.

The previous prime is 38993216071. The next prime is 38993216099. The reversal of 38993216089 is 98061239983.

The square root of 38993216089 is 197467.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 38993216089 - 2¹⁷ = 38993085017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38993216099) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 71285314 + ... + 71285860.

Almost surely, 2^38993216089 is an apocalyptic number.

38993216089 is the 197467-th square number.

38993216089 is the 98734-th centered octagonal number.

It is an amenable number.

38993216089 is a deficient number, since it is larger than the sum of its proper divisors (2241656588).

38993216089 is an frugal number, since it uses more digits than its factorization.

38993216089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 38993216089 in words is "thirty-eight billion, nine hundred ninety-three million, two hundred sixteen thousand, eighty-nine".