500669605 has 4 divisors (see below), whose sum is σ = 600803532. Its totient is φ = 400535680.

The previous prime is 500669593. The next prime is 500669621. The reversal of 500669605 is 506966005.

It is a happy number.

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 166255236 + 334414369 = 12894^2 + 18287^2 .

It is not a de Polignac number, because 500669605 - 2²¹ = 498572453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50066956 + ... + 50066965.

It is an arithmetic number, because the mean of its divisors is an integer number (150200883).

Almost surely, 2^500669605 is an apocalyptic number.

It is an amenable number.

500669605 is a deficient number, since it is larger than the sum of its proper divisors (100133927).

500669605 is a wasteful number, since it uses less digits than its factorization.

500669605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100133926.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 500669605 is about 22375.6475883940. The cubic root of 500669605 is about 794.0546784967.

The spelling of 500669605 in words is "five hundred million, six hundred sixty-nine thousand, six hundred five".