509708334980 has 24 divisors (see below), whose sum is σ = 1152725004312. Its totient is φ = 188200000512.

The previous prime is 509708334953. The next prime is 509708335027. The reversal of 509708334980 is 89433807905.

It can be written as a sum of positive squares in 4 ways, for example, as 129367876 + 509578967104 = 11374^2 + 713848^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980208077 + ... + 980208596.

It is an arithmetic number, because the mean of its divisors is an integer number (48030208513).

Almost surely, 2^509708334980 is an apocalyptic number.

It is an amenable number.

509708334980 is an abundant number, since it is smaller than the sum of its proper divisors (643016669332).

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

509708334980 is a wasteful number, since it uses less digits than its factorization.

509708334980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960416695 (or 1960416693 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 509708334980 in words is "five hundred nine billion, seven hundred eight million, three hundred thirty-four thousand, nine hundred eighty".