6682735505 has 8 divisors (see below), whose sum is σ = 8022880872. Its totient is φ = 5343789568.

The previous prime is 6682735483. The next prime is 6682735529. The reversal of 6682735505 is 5055372866.

It is a Cunningham number, because it is equal to 81748²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 200392336 + 6482343169 = 14156^2 + 80513^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6682735505 - 2⁸ = 6682735249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6682735505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287552 + ... + 309921.

It is an arithmetic number, because the mean of its divisors is an integer number (1002860109).

Almost surely, 2^6682735505 is an apocalyptic number.

It is an amenable number.

6682735505 is a deficient number, since it is larger than the sum of its proper divisors (1340145367).

6682735505 is a wasteful number, since it uses less digits than its factorization.

6682735505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599715.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The square root of 6682735505 is about 81748.0000061164. Note that the first 5 decimals coincide. The cubic root of 6682735505 is about 1883.5829800546.

The spelling of 6682735505 in words is "six billion, six hundred eighty-two million, seven hundred thirty-five thousand, five hundred five".