648971014 has 8 divisors (see below), whose sum is σ = 978553728. Its totient is φ = 322786440.

The previous prime is 648970999. The next prime is 648971033. The reversal of 648971014 is 410179846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 849057 + ... + 849820.

It is an arithmetic number, because the mean of its divisors is an integer number (122319216).

Almost surely, 2^648971014 is an apocalyptic number.

648971014 is a deficient number, since it is larger than the sum of its proper divisors (329582714).

648971014 is a wasteful number, since it uses less digits than its factorization.

648971014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699070.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 648971014 is about 25474.9094993486. The cubic root of 648971014 is about 865.7817624295.

The spelling of 648971014 in words is "six hundred forty-eight million, nine hundred seventy-one thousand, fourteen".