648466833 has 24 divisors (see below), whose sum is σ = 1015037760. Its totient is φ = 367143840.

The previous prime is 648466813. The next prime is 648466843. The reversal of 648466833 is 338664846.

It is not a de Polignac number, because 648466833 - 2²⁵ = 614912401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648466813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4213 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (42293240).

Almost surely, 2^648466833 is an apocalyptic number.

It is an amenable number.

648466833 is a deficient number, since it is larger than the sum of its proper divisors (366570927).

648466833 is a wasteful number, since it uses less digits than its factorization.

648466833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40597 (or 40590 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 648466833 is about 25465.0119379513. The cubic root of 648466833 is about 865.5574977629.

The spelling of 648466833 in words is "six hundred forty-eight million, four hundred sixty-six thousand, eight hundred thirty-three".