509127314093 has 4 divisors (see below), whose sum is σ = 509512725948. Its totient is φ = 508741902240.

The previous prime is 509127314089. The next prime is 509127314099. The reversal of 509127314093 is 390413721905.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279531091849 + 229596222244 = 528707^2 + 479162^2 .

It is a cyclic number.

It is not a de Polignac number, because 509127314093 - 2² = 509127314089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509127314099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192703946 + ... + 192706587.

It is an arithmetic number, because the mean of its divisors is an integer number (127378181487).

Almost surely, 2^509127314093 is an apocalyptic number.

It is an amenable number.

509127314093 is a deficient number, since it is larger than the sum of its proper divisors (385411855).

509127314093 is a wasteful number, since it uses less digits than its factorization.

509127314093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385411854.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 509127314093 in words is "five hundred nine billion, one hundred twenty-seven million, three hundred fourteen thousand, ninety-three".