9380442113721 has 48 divisors (see below), whose sum is σ = 15905048125824. Its totient is φ = 5214936390912.

The previous prime is 9380442113681. The next prime is 9380442113723. The reversal of 9380442113721 is 1273112440839.

9380442113721 is a `hidden beast` number, since 9 + 380 + 4 + 4 + 211 + 37 + 21 = 666.

It is not a de Polignac number, because 9380442113721 - 2¹¹ = 9380442111673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9380442113723) 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, 28186525 + ... + 28517381.

It is an arithmetic number, because the mean of its divisors is an integer number (331355169288).

Almost surely, 2^{9380442113721} is an apocalyptic number.

It is an amenable number.

9380442113721 is a deficient number, since it is larger than the sum of its proper divisors (6524606012103).

9380442113721 is a wasteful number, since it uses less digits than its factorization.

9380442113721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343070 (or 343067 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 9380442113721 in words is "nine trillion, three hundred eighty billion, four hundred forty-two million, one hundred thirteen thousand, seven hundred twenty-one".