6501313536 has 88 divisors (see below), whose sum is σ = 18347834160. Its totient is φ = 2039611392.

The previous prime is 6501313523. The next prime is 6501313579. The reversal of 6501313536 is 6353131056.

It is a junction number, because it is equal to n+sod(n) for n = 6501313497 and 6501313506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10021 + ... + 114468.

Almost surely, 2^6501313536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6501313536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9173917080).

6501313536 is an abundant number, since it is smaller than the sum of its proper divisors (11846520624).

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

6501313536 is a wasteful number, since it uses less digits than its factorization.

6501313536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124529 (or 124511 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 6501313536 is about 80630.7232759325. The cubic root of 6501313536 is about 1866.3812824485.

The spelling of 6501313536 in words is "six billion, five hundred one million, three hundred thirteen thousand, five hundred thirty-six".