509091819096 has 64 divisors (see below), whose sum is σ = 1455021331200. Its totient is φ = 145407477888.

The previous prime is 509091819059. The next prime is 509091819109. The reversal of 509091819096 is 690918190905.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26490 + ... + 1009398.

It is an arithmetic number, because the mean of its divisors is an integer number (22734708300).

Almost surely, 2^509091819096 is an apocalyptic number.

509091819096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

509091819096 is an abundant number, since it is smaller than the sum of its proper divisors (945929512104).

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

509091819096 is a wasteful number, since it uses less digits than its factorization.

509091819096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986008 (or 986004 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 57.

The spelling of 509091819096 in words is "five hundred nine billion, ninety-one million, eight hundred nineteen thousand, ninety-six".