4919663 has 4 divisors (see below), whose sum is σ = 5622480. Its totient is φ = 4216848.

The previous prime is 4919657. The next prime is 4919671. The reversal of 4919663 is 3669194.

4919663 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, and also an emirpimes, since its reverse is a distinct semiprime: 3669194 = 2 ⋅1834597.

It is a cyclic number.

It is not a de Polignac number, because 4919663 - 2²² = 725359 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 (4919623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351398 + ... + 351411.

It is an arithmetic number, because the mean of its divisors is an integer number (1405620).

Almost surely, 2^4919663 is an apocalyptic number.

4919663 is a deficient number, since it is larger than the sum of its proper divisors (702817).

4919663 is an equidigital number, since it uses as much as digits as its factorization.

4919663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702816.

The product of its digits is 34992, while the sum is 38.

The square root of 4919663 is about 2218.0313343143. The cubic root of 4919663 is about 170.0768164954.

The spelling of 4919663 in words is "four million, nine hundred nineteen thousand, six hundred sixty-three".