9438565021384 has 32 divisors (see below), whose sum is σ = 17786591128800. Its totient is φ = 4695500535040.

The previous prime is 9438565021337. The next prime is 9438565021393. The reversal of 9438565021384 is 4831205658349.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1198752 + ... + 4507120.

It is an arithmetic number, because the mean of its divisors is an integer number (555830972775).

Almost surely, 2^{9438565021384} is an apocalyptic number.

It is an amenable number.

9438565021384 is a deficient number, since it is larger than the sum of its proper divisors (8348026107416).

9438565021384 is a wasteful number, since it uses less digits than its factorization.

9438565021384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310173 (or 3310169 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 9438565021384 in words is "nine trillion, four hundred thirty-eight billion, five hundred sixty-five million, twenty-one thousand, three hundred eighty-four".