6505868260 has 12 divisors (see below), whose sum is σ = 13662323388. Its totient is φ = 2602347296.

The previous prime is 6505868209. The next prime is 6505868267. The reversal of 6505868260 is 628685056.

It can be written as a sum of positive squares in 2 ways, for example, as 2599368256 + 3906500004 = 50984^2 + 62502^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6505868260.

It is not an unprimeable number, because it can be changed into a prime (6505868267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162646687 + ... + 162646726.

It is an arithmetic number, because the mean of its divisors is an integer number (1138526949).

Almost surely, 2^6505868260 is an apocalyptic number.

It is an amenable number.

6505868260 is an abundant number, since it is smaller than the sum of its proper divisors (7156455128).

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

6505868260 is a wasteful number, since it uses less digits than its factorization.

6505868260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325293422 (or 325293420 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 6505868260 is about 80658.9626761961. The cubic root of 6505868260 is about 1866.8170337345.

The spelling of 6505868260 in words is "six billion, five hundred five million, eight hundred sixty-eight thousand, two hundred sixty".