648452679 has 16 divisors (see below), whose sum is σ = 1012220160. Its totient is φ = 361506240.

The previous prime is 648452669. The next prime is 648452687. The reversal of 648452679 is 976254846.

648452679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648452679 - 2⁷ = 648452551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648452669) 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, 375709 + ... + 377430.

It is an arithmetic number, because the mean of its divisors is an integer number (63263760).

Almost surely, 2^648452679 is an apocalyptic number.

648452679 is a deficient number, since it is larger than the sum of its proper divisors (363767481).

648452679 is a wasteful number, since it uses less digits than its factorization.

648452679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753190.

The product of its digits is 2903040, while the sum is 51.

The square root of 648452679 is about 25464.7340257070. The cubic root of 648452679 is about 865.5512002473.

The spelling of 648452679 in words is "six hundred forty-eight million, four hundred fifty-two thousand, six hundred seventy-nine".