505664498 has 16 divisors (see below), whose sum is σ = 783608064. Its totient is φ = 244475280.

The previous prime is 505664443. The next prime is 505664527. The reversal of 505664498 is 894466505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96461 + ... + 101567.

It is an arithmetic number, because the mean of its divisors is an integer number (48975504).

Almost surely, 2^505664498 is an apocalyptic number.

505664498 is a deficient number, since it is larger than the sum of its proper divisors (277943566).

505664498 is a wasteful number, since it uses less digits than its factorization.

505664498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 505664498 is about 22486.9850802637. The cubic root of 505664498 is about 796.6865546720.

The spelling of 505664498 in words is "five hundred five million, six hundred sixty-four thousand, four hundred ninety-eight".