9313821985734 has 112 divisors (see below), whose sum is σ = 24158502577440. Its totient is φ = 2636677992960.

The previous prime is 9313821985733. The next prime is 9313821985739. The reversal of 9313821985734 is 4375891283139.

9313821985734 is a `hidden beast` number, since 9 + 3 + 1 + 38 + 21 + 9 + 8 + 573 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9313821985733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3073707 + ... + 5298614.

It is an arithmetic number, because the mean of its divisors is an integer number (215700915870).

Almost surely, 2^{9313821985734} is an apocalyptic number.

9313821985734 is an abundant number, since it is smaller than the sum of its proper divisors (14844680591706).

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

9313821985734 is a wasteful number, since it uses less digits than its factorization.

9313821985734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372457 (or 8372442 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 9313821985734 in words is "nine trillion, three hundred thirteen billion, eight hundred twenty-one million, nine hundred eighty-five thousand, seven hundred thirty-four".