9338553846721 has 4 divisors (see below), whose sum is σ = 10187513287344. Its totient is φ = 8489594406100.

The previous prime is 9338553846719. The next prime is 9338553846763. The reversal of 9338553846721 is 1276483558339.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9338553846721 - 2¹ = 9338553846719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9338553846781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424479720295 + ... + 424479720316.

It is an arithmetic number, because the mean of its divisors is an integer number (2546878321836).

Almost surely, 2^{9338553846721} is an apocalyptic number.

It is an amenable number.

9338553846721 is a deficient number, since it is larger than the sum of its proper divisors (848959440623).

9338553846721 is a wasteful number, since it uses less digits than its factorization.

9338553846721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848959440622.

The product of its digits is 130636800, while the sum is 64.

The spelling of 9338553846721 in words is "nine trillion, three hundred thirty-eight billion, five hundred fifty-three million, eight hundred forty-six thousand, seven hundred twenty-one".