6505501705 has 16 divisors (see below), whose sum is σ = 8078253120. Its totient is φ = 5023410112.

The previous prime is 6505501699. The next prime is 6505501781. The reversal of 6505501705 is 5071055056.

It is a cyclic number.

It is not a de Polignac number, because 6505501705 - 2¹¹ = 6505499657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794442 + ... + 802588.

It is an arithmetic number, because the mean of its divisors is an integer number (504890820).

Almost surely, 2^6505501705 is an apocalyptic number.

It is an amenable number.

6505501705 is a deficient number, since it is larger than the sum of its proper divisors (1572751415).

6505501705 is a wasteful number, since it uses less digits than its factorization.

6505501705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 6505501705 is about 80656.6903920561. The cubic root of 6505501705 is about 1866.7819728765.

The spelling of 6505501705 in words is "six billion, five hundred five million, five hundred one thousand, seven hundred five".