509107580997 has 8 divisors (see below), whose sum is σ = 678815288256. Its totient is φ = 339402463872.

The previous prime is 509107580893. The next prime is 509107581007. The reversal of 509107580997 is 799085701905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 509107580997 - 2¹⁹ = 509107056709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 509107580997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509107580297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129753 + ... + 1017374.

It is an arithmetic number, because the mean of its divisors is an integer number (84851911032).

Almost surely, 2^509107580997 is an apocalyptic number.

It is an amenable number.

509107580997 is a deficient number, since it is larger than the sum of its proper divisors (169707707259).

509107580997 is a wasteful number, since it uses less digits than its factorization.

509107580997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295067.

The product of its (nonzero) digits is 7144200, while the sum is 60.

The spelling of 509107580997 in words is "five hundred nine billion, one hundred seven million, five hundred eighty thousand, nine hundred ninety-seven".