509382949484 has 12 divisors (see below), whose sum is σ = 891554035008. Its totient is φ = 254653225200.

The previous prime is 509382949483. The next prime is 509382949489. The reversal of 509382949484 is 484949283905.

It is a self number, because there is not a number n which added to its sum of digits gives 509382949484.

It is not an unprimeable number, because it can be changed into a prime (509382949483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9532412 + ... + 9585699.

It is an arithmetic number, because the mean of its divisors is an integer number (74296169584).

Almost surely, 2^509382949484 is an apocalyptic number.

It is an amenable number.

509382949484 is a deficient number, since it is larger than the sum of its proper divisors (382171085524).

509382949484 is a wasteful number, since it uses less digits than its factorization.

509382949484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124776 (or 19124774 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 509382949484 in words is "five hundred nine billion, three hundred eighty-two million, nine hundred forty-nine thousand, four hundred eighty-four".