500669137 has 4 divisors (see below), whose sum is σ = 517933620. Its totient is φ = 483404656.

The previous prime is 500669123. The next prime is 500669149. The reversal of 500669137 is 731966005.

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 386948241 + 113720896 = 19671^2 + 10664^2 .

It is a cyclic number.

It is not a de Polignac number, because 500669137 - 2¹⁹ = 500144849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500669096 and 500669105.

It is not an unprimeable number, because it can be changed into a prime (500669837) 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, 8632198 + ... + 8632255.

It is an arithmetic number, because the mean of its divisors is an integer number (129483405).

Almost surely, 2^500669137 is an apocalyptic number.

It is an amenable number.

500669137 is a deficient number, since it is larger than the sum of its proper divisors (17264483).

500669137 is a wasteful number, since it uses less digits than its factorization.

500669137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17264482.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 500669137 is about 22375.6371305936. The cubic root of 500669137 is about 794.0544310829.

The spelling of 500669137 in words is "five hundred million, six hundred sixty-nine thousand, one hundred thirty-seven".