648357089 has 8 divisors (see below), whose sum is σ = 671160000. Its totient is φ = 625583952.

The previous prime is 648357071. The next prime is 648357131. The reversal of 648357089 is 980753846.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648357089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648357889) 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, 42692 + ... + 55850.

It is an arithmetic number, because the mean of its divisors is an integer number (83895000).

Almost surely, 2^648357089 is an apocalyptic number.

It is an amenable number.

648357089 is a deficient number, since it is larger than the sum of its proper divisors (22802911).

648357089 is a wasteful number, since it uses less digits than its factorization.

648357089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 648357089 is about 25462.8570470794. The cubic root of 648357089 is about 865.5086671488.

The spelling of 648357089 in words is "six hundred forty-eight million, three hundred fifty-seven thousand, eighty-nine".