4913663 has 4 divisors (see below), whose sum is σ = 5202720. Its totient is φ = 4624608.

The previous prime is 4913639. The next prime is 4913677. The reversal of 4913663 is 3663194.

4913663 = 167² + 168² + ... + 268².

It is a happy number.

4913663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4913663 - 2⁶ = 4913599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4913603) 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 3 ways as a sum of consecutive naturals, for example, 144503 + ... + 144536.

It is an arithmetic number, because the mean of its divisors is an integer number (1300680).

Almost surely, 2^4913663 is an apocalyptic number.

4913663 is a deficient number, since it is larger than the sum of its proper divisors (289057).

4913663 is a wasteful number, since it uses less digits than its factorization.

4913663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289056.

The product of its digits is 11664, while the sum is 32.

The square root of 4913663 is about 2216.6783708964. The cubic root of 4913663 is about 170.0076467149.

The spelling of 4913663 in words is "four million, nine hundred thirteen thousand, six hundred sixty-three".