4338542509 has 8 divisors (see below), whose sum is σ = 5173914240. Its totient is φ = 3557065776.

The previous prime is 4338542407. The next prime is 4338542513. The reversal of 4338542509 is 9052458334.

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 4338542509 - 2⁹ = 4338541997 is a prime.

It is a super-4 number, since 4×4338542509⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338542569) 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, 13473574 + ... + 13473895.

It is an arithmetic number, because the mean of its divisors is an integer number (646739280).

Almost surely, 2^4338542509 is an apocalyptic number.

It is an amenable number.

4338542509 is a deficient number, since it is larger than the sum of its proper divisors (835371731).

4338542509 is a wasteful number, since it uses less digits than its factorization.

4338542509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947499.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 4338542509 is about 65867.6135061838. The cubic root of 4338542509 is about 1630.9774343869.

The spelling of 4338542509 in words is "four billion, three hundred thirty-eight million, five hundred forty-two thousand, five hundred nine".