9638353405 has 16 divisors (see below), whose sum is σ = 12327496704. Its totient is φ = 7209043200.

The previous prime is 9638353393. The next prime is 9638353453. The reversal of 9638353405 is 5043538369.

It is not a de Polignac number, because 9638353405 - 2²⁹ = 9101482493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 362637 + ... + 388306.

It is an arithmetic number, because the mean of its divisors is an integer number (770468544).

Almost surely, 2^9638353405 is an apocalyptic number.

It is an amenable number.

9638353405 is a deficient number, since it is larger than the sum of its proper divisors (2689143299).

9638353405 is a wasteful number, since it uses less digits than its factorization.

9638353405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751116.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 9638353405 is about 98175.1160172475. The cubic root of 9638353405 is about 2128.1436952033.

The spelling of 9638353405 in words is "nine billion, six hundred thirty-eight million, three hundred fifty-three thousand, four hundred five".