9690819390720 has 432 divisors, whose sum is σ = 37273201684992. Its totient is φ = 2308481925120.

The previous prime is 9690819390649. The next prime is 9690819390743. The reversal of 9690819390720 is 270939180969.

It is a happy number.

9690819390720 is a `hidden beast` number, since 96 + 90 + 8 + 1 + 9 + 390 + 72 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3598867 + ... + 5686253.

It is an arithmetic number, because the mean of its divisors is an integer number (86280559456).

Almost surely, 2^{9690819390720} is an apocalyptic number.

9690819390720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9690819390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18636600842496).

9690819390720 is an abundant number, since it is smaller than the sum of its proper divisors (27582382294272).

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

9690819390720 is a wasteful number, since it uses less digits than its factorization.

9690819390720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087458 (or 2087441 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 9690819390720 in words is "nine trillion, six hundred ninety billion, eight hundred nineteen million, three hundred ninety thousand, seven hundred twenty".