509799196848 has 40 divisors (see below), whose sum is σ = 1318258768896. Its totient is φ = 169768225600.

The previous prime is 509799196847. The next prime is 509799196859. The reversal of 509799196848 is 848691997905.

It is a super-2 number, since 2×509799196848² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 509799196848.

It is not an unprimeable number, because it can be changed into a prime (509799196847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101248 + ... + 5200223.

Almost surely, 2^509799196848 is an apocalyptic number.

It is an amenable number.

509799196848 is an abundant number, since it is smaller than the sum of its proper divisors (808459572048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509799196848 is a wasteful number, since it uses less digits than its factorization.

509799196848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302513 (or 10302507 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 75.

The spelling of 509799196848 in words is "five hundred nine billion, seven hundred ninety-nine million, one hundred ninety-six thousand, eight hundred forty-eight".