509949887932 has 6 divisors (see below), whose sum is σ = 892412303888. Its totient is φ = 254974943964.

The previous prime is 509949887903. The next prime is 509949887933. The reversal of 509949887932 is 239788949905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509949887933) 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 as a sum of consecutive naturals, namely, 63743735988 + ... + 63743735995.

Almost surely, 2^509949887932 is an apocalyptic number.

It is an amenable number.

509949887932 is a deficient number, since it is larger than the sum of its proper divisors (382462415956).

509949887932 is a wasteful number, since it uses less digits than its factorization.

509949887932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127487471987 (or 127487471985 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 73.

The spelling of 509949887932 in words is "five hundred nine billion, nine hundred forty-nine million, eight hundred eighty-seven thousand, nine hundred thirty-two".