6505742063 has 16 divisors (see below), whose sum is σ = 6919941600. Its totient is φ = 6098872320.

The previous prime is 6505742059. The next prime is 6505742071. The reversal of 6505742063 is 3602475056.

6505742063 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6505742063 - 2² = 6505742059 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 (6505742083) 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, 2137823 + ... + 2140863.

It is an arithmetic number, because the mean of its divisors is an integer number (432496350).

Almost surely, 2^6505742063 is an apocalyptic number.

6505742063 is a deficient number, since it is larger than the sum of its proper divisors (414199537).

6505742063 is a wasteful number, since it uses less digits than its factorization.

6505742063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 6505742063 is about 80658.1803848810. The cubic root of 6505742063 is about 1866.8049631841.

The spelling of 6505742063 in words is "six billion, five hundred five million, seven hundred forty-two thousand, sixty-three".