6468750468 has 18 divisors (see below), whose sum is σ = 16351563774. Its totient is φ = 2156250144.

The previous prime is 6468750467. The next prime is 6468750539. The reversal of 6468750468 is 8640578646.

It can be written as a sum of positive squares in only one way, i.e., 5431395204 + 1037355264 = 73698^2 + 32208^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (6468750467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89843721 + ... + 89843792.

Almost surely, 2^6468750468 is an apocalyptic number.

It is an amenable number.

6468750468 is an abundant number, since it is smaller than the sum of its proper divisors (9882813306).

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

6468750468 is a wasteful number, since it uses less digits than its factorization.

6468750468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179687523 (or 179687518 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The square root of 6468750468 is about 80428.5426201420. The cubic root of 6468750468 is about 1863.2600233645.

The spelling of 6468750468 in words is "six billion, four hundred sixty-eight million, seven hundred fifty thousand, four hundred sixty-eight".