648469484 has 24 divisors (see below), whose sum is σ = 1232941920. Its totient is φ = 296642304.

The previous prime is 648469477. The next prime is 648469513. The reversal of 648469484 is 484964846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49304 + ... + 61055.

It is an arithmetic number, because the mean of its divisors is an integer number (51372580).

Almost surely, 2^648469484 is an apocalyptic number.

It is an amenable number.

648469484 is a deficient number, since it is larger than the sum of its proper divisors (584472436).

648469484 is a wasteful number, since it uses less digits than its factorization.

648469484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110489 (or 110487 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 53.

The square root of 648469484 is about 25465.0639897095. The cubic root of 648469484 is about 865.5586772577.

The spelling of 648469484 in words is "six hundred forty-eight million, four hundred sixty-nine thousand, four hundred eighty-four".