648465466 has 8 divisors (see below), whose sum is σ = 1061125344. Its totient is φ = 294757020.

The previous prime is 648465451. The next prime is 648465469. The reversal of 648465466 is 664564846.

648465466 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 not an unprimeable number, because it can be changed into a prime (648465469) 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, 14737830 + ... + 14737873.

It is an arithmetic number, because the mean of its divisors is an integer number (132640668).

Almost surely, 2^648465466 is an apocalyptic number.

648465466 is a deficient number, since it is larger than the sum of its proper divisors (412659878).

648465466 is a wasteful number, since it uses less digits than its factorization.

648465466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29475716.

The product of its digits is 3317760, while the sum is 49.

The square root of 648465466 is about 25464.9850971879. The cubic root of 648465466 is about 865.5568895499.

The spelling of 648465466 in words is "six hundred forty-eight million, four hundred sixty-five thousand, four hundred sixty-six".