9373819109820 has 144 divisors (see below), whose sum is σ = 28883511877920. Its totient is φ = 2269775439360.

The previous prime is 9373819109807. The next prime is 9373819109827. The reversal of 9373819109820 is 289019183739.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9373819109827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5435946 + ... + 6949614.

Almost surely, 2^{9373819109820} 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 9373819109820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14441755938960).

9373819109820 is an abundant number, since it is smaller than the sum of its proper divisors (19509692768100).

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

9373819109820 is a wasteful number, since it uses less digits than its factorization.

9373819109820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514556 (or 1514543 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 9373819109820 in words is "nine trillion, three hundred seventy-three billion, eight hundred nineteen million, one hundred nine thousand, eight hundred twenty".