9108930638 has 8 divisors (see below), whose sum is σ = 14382522120. Its totient is φ = 4314756600.

The previous prime is 9108930629. The next prime is 9108930661. The reversal of 9108930638 is 8360398019.

9108930638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9108930592 and 9108930601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119854313 + ... + 119854388.

It is an arithmetic number, because the mean of its divisors is an integer number (1797815265).

Almost surely, 2^9108930638 is an apocalyptic number.

9108930638 is a deficient number, since it is larger than the sum of its proper divisors (5273591482).

9108930638 is a wasteful number, since it uses less digits than its factorization.

9108930638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239708722.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 9108930638 is about 95440.7179247935. The cubic root of 9108930638 is about 2088.4422232832.

The spelling of 9108930638 in words is "nine billion, one hundred eight million, nine hundred thirty thousand, six hundred thirty-eight".