6505017654 has 16 divisors (see below), whose sum is σ = 13156216560. Its totient is φ = 2143975680.

The previous prime is 6505017653. The next prime is 6505017667. The reversal of 6505017654 is 4567105056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505017653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6090307 + ... + 6091374.

It is an arithmetic number, because the mean of its divisors is an integer number (822263535).

Almost surely, 2^6505017654 is an apocalyptic number.

6505017654 is an abundant number, since it is smaller than the sum of its proper divisors (6651198906).

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

6505017654 is a wasteful number, since it uses less digits than its factorization.

6505017654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12181775.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 6505017654 is about 80653.6896490173. The cubic root of 6505017654 is about 1866.7356715491.

The spelling of 6505017654 in words is "six billion, five hundred five million, seventeen thousand, six hundred fifty-four".