6500050015 has 4 divisors (see below), whose sum is σ = 7800060024. Its totient is φ = 5200040008.

The previous prime is 6500049971. The next prime is 6500050019. The reversal of 6500050015 is 5100500056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6500050015 - 2²⁵ = 6466495583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500050019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650004997 + ... + 650005006.

It is an arithmetic number, because the mean of its divisors is an integer number (1950015006).

Almost surely, 2^6500050015 is an apocalyptic number.

6500050015 is a deficient number, since it is larger than the sum of its proper divisors (1300010009).

6500050015 is a wasteful number, since it uses less digits than its factorization.

6500050015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300010008.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 6500050015 is about 80622.8876622513. The cubic root of 6500050015 is about 1866.2603651026.

The spelling of 6500050015 in words is "six billion, five hundred million, fifty thousand, fifteen".