9690994094544 has 720 divisors, whose sum is σ = 33657770764800. Its totient is φ = 2547474665472.

The previous prime is 9690994094539. The next prime is 9690994094549. The reversal of 9690994094544 is 4454904990969.

9690994094544 is a `hidden beast` number, since 9 + 6 + 90 + 99 + 409 + 4 + 5 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (9690994094539) and next prime (9690994094549).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9690994094549) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 1755930217 + ... + 1755935735.

It is an arithmetic number, because the mean of its divisors is an integer number (46746903840).

Almost surely, 2^{9690994094544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9690994094544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16828885382400).

9690994094544 is an abundant number, since it is smaller than the sum of its proper divisors (23966776670256).

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

9690994094544 is a wasteful number, since it uses less digits than its factorization.

9690994094544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 72.

The spelling of 9690994094544 in words is "nine trillion, six hundred ninety billion, nine hundred ninety-four million, ninety-four thousand, five hundred forty-four".