9983211893 has 12 divisors (see below), whose sum is σ = 10677582624. Its totient is φ = 9316216800.

The previous prime is 9983211853. The next prime is 9983211913. The reversal of 9983211893 is 3981123899.

It is a de Polignac number, because none of the positive numbers 2^k-9983211893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9983211853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90443 + ... + 167768.

It is an arithmetic number, because the mean of its divisors is an integer number (889798552).

Almost surely, 2^9983211893 is an apocalyptic number.

It is an amenable number.

9983211893 is a deficient number, since it is larger than the sum of its proper divisors (694370731).

9983211893 is a wasteful number, since it uses less digits than its factorization.

9983211893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258316 (or 258275 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 9983211893 is about 99916.0242053295. The cubic root of 9983211893 is about 2153.2283853908.

The spelling of 9983211893 in words is "nine billion, nine hundred eighty-three million, two hundred eleven thousand, eight hundred ninety-three".