42683672585 has 8 divisors (see below), whose sum is σ = 52469685576. Its totient is φ = 33314085760.

The previous prime is 42683672569. The next prime is 42683672611. The reversal of 42683672585 is 58527638624.

It can be written as a sum of positive squares in 4 ways, for example, as 3020161936 + 39663510649 = 54956^2 + 199157^2 .

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

It is not a de Polignac number, because 42683672585 - 2⁴ = 42683672569 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 42683672585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104106314 + ... + 104106723.

It is an arithmetic number, because the mean of its divisors is an integer number (6558710697).

Almost surely, 2^42683672585 is an apocalyptic number.

It is an amenable number.

42683672585 is a deficient number, since it is larger than the sum of its proper divisors (9786012991).

42683672585 is a wasteful number, since it uses less digits than its factorization.

42683672585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208213083.

The product of its digits is 19353600, while the sum is 56.

The spelling of 42683672585 in words is "forty-two billion, six hundred eighty-three million, six hundred seventy-two thousand, five hundred eighty-five".