9938134824 has 32 divisors (see below), whose sum is σ = 24970200000. Its totient is φ = 3296063232.

The previous prime is 9938134777. The next prime is 9938134831. The reversal of 9938134824 is 4284318399.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035649 + ... + 1045200.

It is an arithmetic number, because the mean of its divisors is an integer number (780318750).

Almost surely, 2^9938134824 is an apocalyptic number.

It is an amenable number.

9938134824 is an abundant number, since it is smaller than the sum of its proper divisors (15032065176).

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

9938134824 is a wasteful number, since it uses less digits than its factorization.

9938134824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081057 (or 2081053 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 9938134824 is about 99690.1942218993. The cubic root of 9938134824 is about 2149.9826805167.

The spelling of 9938134824 in words is "nine billion, nine hundred thirty-eight million, one hundred thirty-four thousand, eight hundred twenty-four".