9505986912 has 72 divisors (see below), whose sum is σ = 27154056384. Its totient is φ = 3154431744.

The previous prime is 9505986907. The next prime is 9505986949. The reversal of 9505986912 is 2196895059.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×9505986912² (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 11 ways as a sum of consecutive naturals, for example, 9783 + ... + 138230.

It is an arithmetic number, because the mean of its divisors is an integer number (377139672).

Almost surely, 2^9505986912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9505986912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13577028192).

9505986912 is an abundant number, since it is smaller than the sum of its proper divisors (17648069472).

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

9505986912 is a wasteful number, since it uses less digits than its factorization.

9505986912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148252 (or 148241 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The square root of 9505986912 is about 97498.6508214344. The cubic root of 9505986912 is about 2118.3566022628.

The spelling of 9505986912 in words is "nine billion, five hundred five million, nine hundred eighty-six thousand, nine hundred twelve".