663493502 has 8 divisors (see below), whose sum is σ = 1137417456. Its totient is φ = 284354352.

The previous prime is 663493499. The next prime is 663493511. The reversal of 663493502 is 205394366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23696183 + ... + 23696210.

It is an arithmetic number, because the mean of its divisors is an integer number (142177182).

Almost surely, 2^663493502 is an apocalyptic number.

663493502 is a deficient number, since it is larger than the sum of its proper divisors (473923954).

663493502 is a wasteful number, since it uses less digits than its factorization.

663493502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47392402.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 663493502 is about 25758.3676113220. The cubic root of 663493502 is about 872.1922525561.

The spelling of 663493502 in words is "six hundred sixty-three million, four hundred ninety-three thousand, five hundred two".