648563419 has 8 divisors (see below), whose sum is σ = 741395168. Its totient is φ = 555776640.

The previous prime is 648563393. The next prime is 648563441. The reversal of 648563419 is 914365846.

648563419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648563419 - 2¹⁹ = 648039131 is a prime.

It is a super-2 number, since 2×648563419² = 841269016929939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648563479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29539 + ... + 46579.

It is an arithmetic number, because the mean of its divisors is an integer number (92674396).

Almost surely, 2^648563419 is an apocalyptic number.

648563419 is a deficient number, since it is larger than the sum of its proper divisors (92831749).

648563419 is a wasteful number, since it uses less digits than its factorization.

648563419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22485.

The product of its digits is 622080, while the sum is 46.

The square root of 648563419 is about 25466.9083125534. The cubic root of 648563419 is about 865.6004691646.

The spelling of 648563419 in words is "six hundred forty-eight million, five hundred sixty-three thousand, four hundred nineteen".