9138384435 has 8 divisors (see below), whose sum is σ = 14621415120. Its totient is φ = 4873805024.

The previous prime is 9138384427. The next prime is 9138384439. The reversal of 9138384435 is 5344838319.

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

It is a cyclic number.

It is not a de Polignac number, because 9138384435 - 2³ = 9138384427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9138384439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304612800 + ... + 304612829.

It is an arithmetic number, because the mean of its divisors is an integer number (1827676890).

Almost surely, 2^9138384435 is an apocalyptic number.

9138384435 is a deficient number, since it is larger than the sum of its proper divisors (5483030685).

9138384435 is a wasteful number, since it uses less digits than its factorization.

9138384435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609225637.

The product of its digits is 1244160, while the sum is 48.

The square root of 9138384435 is about 95594.8975364271. The cubic root of 9138384435 is about 2090.6907994019.

The spelling of 9138384435 in words is "nine billion, one hundred thirty-eight million, three hundred eighty-four thousand, four hundred thirty-five".