9939329290720 has 48 divisors (see below), whose sum is σ = 23666560501248. Its totient is φ = 3944426734080.

The previous prime is 9939329290651. The next prime is 9939329290729. The reversal of 9939329290720 is 270929239399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9939329290729) 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, 244549791 + ... + 244590430.

It is an arithmetic number, because the mean of its divisors is an integer number (493053343776).

Almost surely, 2^{9939329290720} is an apocalyptic number.

It is an amenable number.

9939329290720 is an abundant number, since it is smaller than the sum of its proper divisors (13727231210528).

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

9939329290720 is a wasteful number, since it uses less digits than its factorization.

9939329290720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489140363 (or 489140355 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 64.

The spelling of 9939329290720 in words is "nine trillion, nine hundred thirty-nine billion, three hundred twenty-nine million, two hundred ninety thousand, seven hundred twenty".