9389916912 has 20 divisors (see below), whose sum is σ = 24257285480. Its totient is φ = 3129972288.

The previous prime is 9389916889. The next prime is 9389916929. The reversal of 9389916912 is 2196199839.

It is a super-2 number, since 2×9389916912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97811587 + ... + 97811682.

It is an arithmetic number, because the mean of its divisors is an integer number (1212864274).

Almost surely, 2^9389916912 is an apocalyptic number.

It is an amenable number.

9389916912 is an abundant number, since it is smaller than the sum of its proper divisors (14867368568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9389916912 is a wasteful number, since it uses less digits than its factorization.

9389916912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195623280 (or 195623274 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 57.

The square root of 9389916912 is about 96901.5836403100. The cubic root of 9389916912 is about 2109.6994182607.

The spelling of 9389916912 in words is "nine billion, three hundred eighty-nine million, nine hundred sixteen thousand, nine hundred twelve".