6682696437985 has 8 divisors (see below), whose sum is σ = 8060786170920. Its totient is φ = 5318456853504.

The previous prime is 6682696437941. The next prime is 6682696438031. The reversal of 6682696437985 is 5897346962866.

It can be written as a sum of positive squares in 4 ways, for example, as 31666914304 + 6651029523681 = 177952^2 + 2578959^2 .

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-6682696437985 is a prime.

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, 3462536050 + ... + 3462537979.

It is an arithmetic number, because the mean of its divisors is an integer number (1007598271365).

Almost surely, 2^{6682696437985} is an apocalyptic number.

It is an amenable number.

6682696437985 is a deficient number, since it is larger than the sum of its proper divisors (1378089732935).

6682696437985 is a wasteful number, since it uses less digits than its factorization.

6682696437985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925074227.

The product of its digits is 5643509760, while the sum is 79.

The spelling of 6682696437985 in words is "six trillion, six hundred eighty-two billion, six hundred ninety-six million, four hundred thirty-seven thousand, nine hundred eighty-five".