9943112928 has 72 divisors (see below), whose sum is σ = 30362019912. Its totient is φ = 2840888064.

The previous prime is 9943112867. The next prime is 9943112929. The reversal of 9943112928 is 8292113499.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9943112929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052175 + ... + 1061582.

It is an arithmetic number, because the mean of its divisors is an integer number (421694721).

Almost surely, 2^9943112928 is an apocalyptic number.

9943112928 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9943112928 is an abundant number, since it is smaller than the sum of its proper divisors (20418906984).

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

9943112928 is a wasteful number, since it uses less digits than its factorization.

9943112928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113784 (or 2113769 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 9943112928 is about 99715.1589679323. The cubic root of 9943112928 is about 2150.3416026893.

The spelling of 9943112928 in words is "nine billion, nine hundred forty-three million, one hundred twelve thousand, nine hundred twenty-eight".