6501338260 has 12 divisors (see below), whose sum is σ = 13652810388. Its totient is φ = 2600535296.

The previous prime is 6501338251. The next prime is 6501338279. The reversal of 6501338260 is 628331056.

It can be written as a sum of positive squares in 2 ways, for example, as 2108830084 + 4392508176 = 45922^2 + 66276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162533437 + ... + 162533476.

It is an arithmetic number, because the mean of its divisors is an integer number (1137734199).

Almost surely, 2^6501338260 is an apocalyptic number.

It is an amenable number.

6501338260 is an abundant number, since it is smaller than the sum of its proper divisors (7151472128).

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

6501338260 is a wasteful number, since it uses less digits than its factorization.

6501338260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325066922 (or 325066920 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6501338260 is about 80630.8765920351. The cubic root of 6501338260 is about 1866.3836483475.

The spelling of 6501338260 in words is "six billion, five hundred one million, three hundred thirty-eight thousand, two hundred sixty".