9913067424 has 144 divisors (see below), whose sum is σ = 30932195112. Its totient is φ = 2992564224.

The previous prime is 9913067407. The next prime is 9913067431. The reversal of 9913067424 is 4247603199.

It is a happy number.

9913067424 is a `hidden beast` number, since 99 + 130 + 6 + 7 + 424 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6746979600 + 3166087824 = 82140^2 + 56268^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 9913067424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173454 + ... + 223410.

Almost surely, 2^9913067424 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 9913067424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15466097556).

9913067424 is an abundant number, since it is smaller than the sum of its proper divisors (21019127688).

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

9913067424 is a wasteful number, since it uses less digits than its factorization.

9913067424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50039 (or 50028 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 9913067424 is about 99564.3883323751. The cubic root of 9913067424 is about 2148.1734928477.

The spelling of 9913067424 in words is "nine billion, nine hundred thirteen million, sixty-seven thousand, four hundred twenty-four".