9912743424 has 60 divisors (see below), whose sum is σ = 28608861996. Its totient is φ = 3304246272.

The previous prime is 9912743413. The next prime is 9912743461. The reversal of 9912743424 is 4243472199.

9912743424 is a `hidden beast` number, since 99 + 127 + 434 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9912743424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1070994 + ... + 1080209.

Almost surely, 2^9912743424 is an apocalyptic number.

It is an amenable number.

9912743424 is an abundant number, since it is smaller than the sum of its proper divisors (18696118572).

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

9912743424 is a wasteful number, since it uses less digits than its factorization.

9912743424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151227 (or 2151208 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 9912743424 is about 99562.7612312957. The cubic root of 9912743424 is about 2148.1500888644.

The spelling of 9912743424 in words is "nine billion, nine hundred twelve million, seven hundred forty-three thousand, four hundred twenty-four".