493663499 has 16 divisors (see below), whose sum is σ = 589424640. Its totient is φ = 404542080.

The previous prime is 493663487. The next prime is 493663501. The reversal of 493663499 is 994366394.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 493663499 - 2²⁴ = 476886283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493663499.

It is not an unprimeable number, because it can be changed into a prime (493663399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4307 + ... + 31715.

It is an arithmetic number, because the mean of its divisors is an integer number (36839040).

Almost surely, 2^493663499 is an apocalyptic number.

493663499 is a deficient number, since it is larger than the sum of its proper divisors (95761141).

493663499 is a wasteful number, since it uses less digits than its factorization.

493663499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27530.

The product of its digits is 3779136, while the sum is 53.

The square root of 493663499 is about 22218.5395334617. The cubic root of 493663499 is about 790.3334057124. Note that the first 3 decimals are identical.

The spelling of 493663499 in words is "four hundred ninety-three million, six hundred sixty-three thousand, four hundred ninety-nine".