9929860039424 has 72 divisors (see below), whose sum is σ = 21346737899760. Its totient is φ = 4582772011008.

The previous prime is 9929860039387. The next prime is 9929860039523. The reversal of 9929860039424 is 4249300689299.

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, 73910999 + ... + 74045225.

It is an arithmetic number, because the mean of its divisors is an integer number (296482470830).

Almost surely, 2^{9929860039424} is an apocalyptic number.

It is an amenable number.

9929860039424 is an abundant number, since it is smaller than the sum of its proper divisors (11416877860336).

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

9929860039424 is a wasteful number, since it uses less digits than its factorization.

9929860039424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156485 (or 156471 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 65.

The spelling of 9929860039424 in words is "nine trillion, nine hundred twenty-nine billion, eight hundred sixty million, thirty-nine thousand, four hundred twenty-four".