9368448639 has 16 divisors (see below), whose sum is σ = 13639377024. Its totient is φ = 5672621600.

The previous prime is 9368448631. The next prime is 9368448641.

9368448639 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9368448639 - 2³ = 9368448631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9368448631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94104 + ... + 166109.

It is an arithmetic number, because the mean of its divisors is an integer number (852461064).

Almost surely, 2^9368448639 is an apocalyptic number.

9368448639 is a deficient number, since it is larger than the sum of its proper divisors (4270928385).

9368448639 is a wasteful number, since it uses less digits than its factorization.

9368448639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261318.

The product of its digits is 26873856, while the sum is 60.

The square root of 9368448639 is about 96790.7466599984. The cubic root of 9368448639 is about 2108.0903815215.

The spelling of 9368448639 in words is "nine billion, three hundred sixty-eight million, four hundred forty-eight thousand, six hundred thirty-nine".