9681780326364 has 24 divisors (see below), whose sum is σ = 25100911957520. Its totient is φ = 3227260108752.

The previous prime is 9681780326321. The next prime is 9681780326401. The reversal of 9681780326364 is 4636230871869.

9681780326364 is a `hidden beast` number, since 96 + 81 + 7 + 80 + 32 + 6 + 364 = 666.

It is a congruent number.

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, 44823056959 + ... + 44823057174.

Almost surely, 2^{9681780326364} is an apocalyptic number.

It is an amenable number.

9681780326364 is an abundant number, since it is smaller than the sum of its proper divisors (15419131631156).

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

9681780326364 is a wasteful number, since it uses less digits than its factorization.

9681780326364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89646114146 (or 89646114138 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 9681780326364 in words is "nine trillion, six hundred eighty-one billion, seven hundred eighty million, three hundred twenty-six thousand, three hundred sixty-four".