648719496 has 32 divisors (see below), whose sum is σ = 1801999200. Its totient is φ = 216239760.

The previous prime is 648719471. The next prime is 648719497. The reversal of 648719496 is 694917846.

648719496 is a `hidden beast` number, since 64 + 87 + 19 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (648719497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501450 + ... + 1501881.

It is an arithmetic number, because the mean of its divisors is an integer number (56312475).

Almost surely, 2^648719496 is an apocalyptic number.

It is an amenable number.

648719496 is an abundant number, since it is smaller than the sum of its proper divisors (1153279704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648719496 is a wasteful number, since it uses less digits than its factorization.

648719496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003346 (or 3003336 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 648719496 is about 25469.9724381476. The cubic root of 648719496 is about 865.6698992745.

The spelling of 648719496 in words is "six hundred forty-eight million, seven hundred nineteen thousand, four hundred ninety-six".