509068934279 has 4 divisors (see below), whose sum is σ = 510351224184. Its totient is φ = 507786644376.

The previous prime is 509068934263. The next prime is 509068934281. The reversal of 509068934279 is 972439860905.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 509068934279 - 2⁴ = 509068934263 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 (509068934779) 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, 641144357 + ... + 641145150.

It is an arithmetic number, because the mean of its divisors is an integer number (127587806046).

Almost surely, 2^509068934279 is an apocalyptic number.

509068934279 is a deficient number, since it is larger than the sum of its proper divisors (1282289905).

509068934279 is a wasteful number, since it uses less digits than its factorization.

509068934279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282289904.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 509068934279 in words is "five hundred nine billion, sixty-eight million, nine hundred thirty-four thousand, two hundred seventy-nine".