6500643103 has 16 divisors (see below), whose sum is σ = 6807888000. Its totient is φ = 6199244800.

The previous prime is 6500643101. The next prime is 6500643113. The reversal of 6500643103 is 3013460056.

6500643103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6500643103 - 2¹ = 6500643101 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 (6500643101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312650 + ... + 1317592.

It is an arithmetic number, because the mean of its divisors is an integer number (425493000).

Almost surely, 2^6500643103 is an apocalyptic number.

6500643103 is a deficient number, since it is larger than the sum of its proper divisors (307244897).

6500643103 is a wasteful number, since it uses less digits than its factorization.

6500643103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 6500643103 is about 80626.5657398354. The cubic root of 6500643103 is about 1866.3171248179.

The spelling of 6500643103 in words is "six billion, five hundred million, six hundred forty-three thousand, one hundred three".