500005100605 has 4 divisors (see below), whose sum is σ = 600006120732. Its totient is φ = 400004080480.

The previous prime is 500005100593. The next prime is 500005100627. The reversal of 500005100605 is 506001500005.

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 87817988281 + 412187112324 = 296341^2 + 642018^2 .

It is not a de Polignac number, because 500005100605 - 2⁹ = 500005100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 50000510056 + ... + 50000510065.

It is an arithmetic number, because the mean of its divisors is an integer number (150001530183).

Almost surely, 2^500005100605 is an apocalyptic number.

It is an amenable number.

500005100605 is a deficient number, since it is larger than the sum of its proper divisors (100001020127).

500005100605 is a wasteful number, since it uses less digits than its factorization.

500005100605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100001020126.

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 500005100605 in words is "five hundred billion, five million, one hundred thousand, six hundred five".