648548883321 has 8 divisors (see below), whose sum is σ = 915598423584. Its totient is φ = 406932632640.

The previous prime is 648548883263. The next prime is 648548883341. The reversal of 648548883321 is 123388845846.

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

It is not a de Polignac number, because 648548883321 - 2⁹ = 648548882809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648548883341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6358322335 + ... + 6358322436.

It is an arithmetic number, because the mean of its divisors is an integer number (114449802948).

Almost surely, 2^648548883321 is an apocalyptic number.

It is an amenable number.

648548883321 is a deficient number, since it is larger than the sum of its proper divisors (267049540263).

648548883321 is a wasteful number, since it uses less digits than its factorization.

648548883321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716644791.

The product of its digits is 35389440, while the sum is 60.

The spelling of 648548883321 in words is "six hundred forty-eight billion, five hundred forty-eight million, eight hundred eighty-three thousand, three hundred twenty-one".