9929783412 has 48 divisors (see below), whose sum is σ = 26229631680. Its totient is φ = 3247474464.

The previous prime is 9929783411. The next prime is 9929783431. The reversal of 9929783412 is 2143879299.

9929783412 is a `hidden beast` number, since 9 + 9 + 297 + 8 + 341 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9929783411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861658 + ... + 873105.

It is an arithmetic number, because the mean of its divisors is an integer number (546450660).

Almost surely, 2^9929783412 is an apocalyptic number.

It is an amenable number.

9929783412 is an abundant number, since it is smaller than the sum of its proper divisors (16299848268).

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

9929783412 is a wasteful number, since it uses less digits than its factorization.

9929783412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734829 (or 1734821 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 9929783412 is about 99648.2985905931. The cubic root of 9929783412 is about 2149.3802729433.

The spelling of 9929783412 in words is "nine billion, nine hundred twenty-nine million, seven hundred eighty-three thousand, four hundred twelve".