1478648563 has 16 divisors (see below), whose sum is σ = 1698471360. Its totient is φ = 1260994176.

The previous prime is 1478648551. The next prime is 1478648573. The reversal of 1478648563 is 3658468741.

It is a cyclic number.

It is not a de Polignac number, because 1478648563 - 2⁹ = 1478648051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478648563.

It is not an unprimeable number, because it can be changed into a prime (1478648573) 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, 2183781 + ... + 2184457.

It is an arithmetic number, because the mean of its divisors is an integer number (106154460).

Almost surely, 2^1478648563 is an apocalyptic number.

1478648563 is a deficient number, since it is larger than the sum of its proper divisors (219822797).

1478648563 is an equidigital number, since it uses as much as digits as its factorization.

1478648563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806.

The product of its digits is 3870720, while the sum is 52.

The square root of 1478648563 is about 38453.1996458032. The cubic root of 1478648563 is about 1139.2568674282.

The spelling of 1478648563 in words is "one billion, four hundred seventy-eight million, six hundred forty-eight thousand, five hundred sixty-three".