501384942439 has 8 divisors (see below), whose sum is σ = 534454304000. Its totient is φ = 468983648952.

The previous prime is 501384942433. The next prime is 501384942449. The reversal of 501384942439 is 934249483105.

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 501384942439 - 2²³ = 501376553831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501384942433) 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, 167015469 + ... + 167018470.

It is an arithmetic number, because the mean of its divisors is an integer number (66806788000).

Almost surely, 2^501384942439 is an apocalyptic number.

501384942439 is a deficient number, since it is larger than the sum of its proper divisors (33069361561).

501384942439 is a wasteful number, since it uses less digits than its factorization.

501384942439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334034037.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 501384942439 in words is "five hundred one billion, three hundred eighty-four million, nine hundred forty-two thousand, four hundred thirty-nine".