648781003230 has 16 divisors (see below), whose sum is σ = 1557074407824. Its totient is φ = 173008267520.

The previous prime is 648781003217. The next prime is 648781003237. The reversal of 648781003230 is 32300187846.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648781003237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10813016691 + ... + 10813016750.

It is an arithmetic number, because the mean of its divisors is an integer number (97317150489).

Almost surely, 2^648781003230 is an apocalyptic number.

648781003230 is an abundant number, since it is smaller than the sum of its proper divisors (908293404594).

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

648781003230 is a wasteful number, since it uses less digits than its factorization.

648781003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626033451.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 648781003230 in words is "six hundred forty-eight billion, seven hundred eighty-one million, three thousand, two hundred thirty".