6705551705 has 8 divisors (see below), whose sum is σ = 8050178952. Its totient is φ = 5362096768.

The previous prime is 6705551693. The next prime is 6705551731. The reversal of 6705551705 is 5071555076.

It can be written as a sum of positive squares in 4 ways, for example, as 87403801 + 6618147904 = 9349^2 + 81352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6705551705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 280442 + ... + 303411.

It is an arithmetic number, because the mean of its divisors is an integer number (1006272369).

Almost surely, 2^6705551705 is an apocalyptic number.

It is an amenable number.

6705551705 is a deficient number, since it is larger than the sum of its proper divisors (1344627247).

6705551705 is a wasteful number, since it uses less digits than its factorization.

6705551705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586155.

The product of its (nonzero) digits is 183750, while the sum is 41.

The square root of 6705551705 is about 81887.4331323189. The cubic root of 6705551705 is about 1885.7241884824.

The spelling of 6705551705 in words is "six billion, seven hundred five million, five hundred fifty-one thousand, seven hundred five".