4538323509 has 8 divisors (see below), whose sum is σ = 6052347840. Its totient is φ = 3024924096.

The previous prime is 4538323481. The next prime is 4538323549. The reversal of 4538323509 is 9053238354.

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

It is not a de Polignac number, because 4538323509 - 2⁷ = 4538323381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538323549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139012 + ... + 168525.

It is an arithmetic number, because the mean of its divisors is an integer number (756543480).

Almost surely, 2^4538323509 is an apocalyptic number.

It is an amenable number.

4538323509 is a deficient number, since it is larger than the sum of its proper divisors (1514024331).

4538323509 is a wasteful number, since it uses less digits than its factorization.

4538323509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312459.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 4538323509 is about 67367.0803063336. The cubic root of 4538323509 is about 1655.6371024300.

The spelling of 4538323509 in words is "four billion, five hundred thirty-eight million, three hundred twenty-three thousand, five hundred nine".