500664429 has 16 divisors (see below), whose sum is σ = 744690240. Its totient is φ = 332442000.

The previous prime is 500664413. The next prime is 500664431. The reversal of 500664429 is 924466005.

500664429 is a `hidden beast` number, since 5 + 0 + 0 + 6 + 644 + 2 + 9 = 666.

It is not a de Polignac number, because 500664429 - 2⁴ = 500664413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 500664393 and 500664402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500664499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30162 + ... + 43715.

It is an arithmetic number, because the mean of its divisors is an integer number (46543140).

Almost surely, 2^500664429 is an apocalyptic number.

It is an amenable number.

500664429 is a deficient number, since it is larger than the sum of its proper divisors (244025811).

500664429 is a wasteful number, since it uses less digits than its factorization.

500664429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74137 (or 74131 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 500664429 is about 22375.5319266381. The cubic root of 500664429 is about 794.0519421338.

The spelling of 500664429 in words is "five hundred million, six hundred sixty-four thousand, four hundred twenty-nine".