9942685620 has 192 divisors, whose sum is σ = 34116526080. Its totient is φ = 2111735808.

The previous prime is 9942685609. The next prime is 9942685639. The reversal of 9942685620 is 265862499.

9942685620 is a nontrivial binomial coefficient, being equal to C(141016, 2).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 555247 + ... + 572873.

It is an arithmetic number, because the mean of its divisors is an integer number (177690240).

Almost surely, 2^9942685620 is an apocalyptic number.

9942685620 is the 141015-th triangular number and also the 70508-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9942685620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17058263040).

9942685620 is an abundant number, since it is smaller than the sum of its proper divisors (24173840460).

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

9942685620 is a wasteful number, since it uses less digits than its factorization.

9942685620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742 (or 17740 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 9942685620 is about 99713.0163017848. The cubic root of 9942685620 is about 2150.3107984084.

The spelling of 9942685620 in words is "nine billion, nine hundred forty-two million, six hundred eighty-five thousand, six hundred twenty".