6635068705 has 4 divisors (see below), whose sum is σ = 7962082452. Its totient is φ = 5308054960.

The previous prime is 6635068691. The next prime is 6635068723. The reversal of 6635068705 is 5078605366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 954130321 + 5680938384 = 30889^2 + 75372^2 .

It is not a de Polignac number, because 6635068705 - 2⁷ = 6635068577 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663506866 + ... + 663506875.

It is an arithmetic number, because the mean of its divisors is an integer number (1990520613).

Almost surely, 2^6635068705 is an apocalyptic number.

It is an amenable number.

6635068705 is a deficient number, since it is larger than the sum of its proper divisors (1327013747).

6635068705 is a wasteful number, since it uses less digits than its factorization.

6635068705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327013746.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 6635068705 is about 81455.9310609117. The cubic root of 6635068705 is about 1879.0938655174.

The spelling of 6635068705 in words is "six billion, six hundred thirty-five million, sixty-eight thousand, seven hundred five".