9124012986 has 64 divisors (see below), whose sum is σ = 20115430272. Its totient is φ = 2758800000.

The previous prime is 9124012979. The next prime is 9124013011. The reversal of 9124012986 is 6892104219.

It is a super-2 number, since 2×9124012986² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4798636 + ... + 4800536.

It is an arithmetic number, because the mean of its divisors is an integer number (314303598).

Almost surely, 2^9124012986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9124012986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10057715136).

9124012986 is an abundant number, since it is smaller than the sum of its proper divisors (10991417286).

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

9124012986 is a wasteful number, since it uses less digits than its factorization.

9124012986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 9124012986 is about 95519.6994656076. The cubic root of 9124012986 is about 2089.5942517972.

The spelling of 9124012986 in words is "nine billion, one hundred twenty-four million, twelve thousand, nine hundred eighty-six".