6468655250 has 16 divisors (see below), whose sum is σ = 12109323096. Its totient is φ = 2587462000.

The previous prime is 6468655229. The next prime is 6468655253. The reversal of 6468655250 is 525568646.

It can be written as a sum of positive squares in 4 ways, for example, as 4271014609 + 2197640641 = 65353^2 + 46879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6468655195 and 6468655204.

It is not an unprimeable number, because it can be changed into a prime (6468655253) 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, 12937061 + ... + 12937560.

Almost surely, 2^6468655250 is an apocalyptic number.

6468655250 is a deficient number, since it is larger than the sum of its proper divisors (5640667846).

6468655250 is a wasteful number, since it uses less digits than its factorization.

6468655250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25874638 (or 25874628 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The square root of 6468655250 is about 80427.9506763662. The cubic root of 6468655250 is about 1863.2508811165.

The spelling of 6468655250 in words is "six billion, four hundred sixty-eight million, six hundred fifty-five thousand, two hundred fifty".