504389773139 has 4 divisors (see below), whose sum is σ = 576445455024. Its totient is φ = 432334091256.

The previous prime is 504389773117. The next prime is 504389773219. The reversal of 504389773139 is 931377983405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 504389773139 - 2²⁸ = 504121337683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504389773109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36027840932 + ... + 36027840945.

It is an arithmetic number, because the mean of its divisors is an integer number (144111363756).

Almost surely, 2^504389773139 is an apocalyptic number.

504389773139 is a deficient number, since it is larger than the sum of its proper divisors (72055681885).

504389773139 is an equidigital number, since it uses as much as digits as its factorization.

504389773139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72055681884.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 504389773139 in words is "five hundred four billion, three hundred eighty-nine million, seven hundred seventy-three thousand, one hundred thirty-nine".