478563619 has 2 divisors, whose sum is σ = 478563620. Its totient is φ = 478563618.

The previous prime is 478563601. The next prime is 478563623. The reversal of 478563619 is 916365874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478563619 - 2¹⁵ = 478530851 is a prime.

It is a super-2 number, since 2×478563619² = 458046274860754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (478563649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239281809 + 239281810.

It is an arithmetic number, because the mean of its divisors is an integer number (239281810).

Almost surely, 2^478563619 is an apocalyptic number.

478563619 is a deficient number, since it is larger than the sum of its proper divisors (1).

478563619 is an equidigital number, since it uses as much as digits as its factorization.

478563619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 478563619 is about 21876.0969782089. The cubic root of 478563619 is about 782.1917421296.

The spelling of 478563619 in words is "four hundred seventy-eight million, five hundred sixty-three thousand, six hundred nineteen".