509307396117 has 16 divisors (see below), whose sum is σ = 731326581888. Its totient is φ = 313414194240.

The previous prime is 509307396079. The next prime is 509307396121. The reversal of 509307396117 is 711693703905.

It is not a de Polignac number, because 509307396117 - 2³⁶ = 440587919381 is a prime.

It is a super-3 number, since 3×509307396117³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 509307396117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509307396127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208767 + ... + 3363747.

It is an arithmetic number, because the mean of its divisors is an integer number (45707911368).

Almost surely, 2^509307396117 is an apocalyptic number.

It is an amenable number.

509307396117 is a deficient number, since it is larger than the sum of its proper divisors (222019185771).

509307396117 is a wasteful number, since it uses less digits than its factorization.

509307396117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239260.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 509307396117 in words is "five hundred nine billion, three hundred seven million, three hundred ninety-six thousand, one hundred seventeen".