648546888633 has 8 divisors (see below), whose sum is σ = 988261925568. Its totient is φ = 370598222064.

The previous prime is 648546888631. The next prime is 648546888641. The reversal of 648546888633 is 336888645846.

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

It is not a de Polignac number, because 648546888633 - 2¹ = 648546888631 is a prime.

It is a super-2 number, since 2×648546888633² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (648546888631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15441592566 + ... + 15441592607.

It is an arithmetic number, because the mean of its divisors is an integer number (123532740696).

Almost surely, 2^648546888633 is an apocalyptic number.

It is an amenable number.

648546888633 is a deficient number, since it is larger than the sum of its proper divisors (339715036935).

648546888633 is a wasteful number, since it uses less digits than its factorization.

648546888633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30883185183.

The product of its digits is 637009920, while the sum is 69.

The spelling of 648546888633 in words is "six hundred forty-eight billion, five hundred forty-six million, eight hundred eighty-eight thousand, six hundred thirty-three".