500668012667 has 4 divisors (see below), whose sum is σ = 500908604856. Its totient is φ = 500427420480.

The previous prime is 500668012631. The next prime is 500668012729. The reversal of 500668012667 is 766210866005.

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 500668012667 - 2¹² = 500668008571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500668012967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120292973 + ... + 120297134.

It is an arithmetic number, because the mean of its divisors is an integer number (125227151214).

Almost surely, 2^500668012667 is an apocalyptic number.

500668012667 is a deficient number, since it is larger than the sum of its proper divisors (240592189).

500668012667 is a wasteful number, since it uses less digits than its factorization.

500668012667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240592188.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 500668012667 in words is "five hundred billion, six hundred sixty-eight million, twelve thousand, six hundred sixty-seven".