9939944716 has 24 divisors (see below), whose sum is σ = 19189878624. Its totient is φ = 4475771520.

The previous prime is 9939944683. The next prime is 9939944719. The reversal of 9939944716 is 6174499399.

It is not an unprimeable number, because it can be changed into a prime (9939944719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329000 + ... + 2333263.

It is an arithmetic number, because the mean of its divisors is an integer number (799578276).

Almost surely, 2^9939944716 is an apocalyptic number.

It is an amenable number.

9939944716 is a deficient number, since it is larger than the sum of its proper divisors (9249933908).

9939944716 is a wasteful number, since it uses less digits than its factorization.

9939944716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662321 (or 4662319 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 61.

The square root of 9939944716 is about 99699.2713915202. The cubic root of 9939944716 is about 2150.1131879116.

The spelling of 9939944716 in words is "nine billion, nine hundred thirty-nine million, nine hundred forty-four thousand, seven hundred sixteen".