2685566495204 has 12 divisors (see below), whose sum is σ = 4699888416300. Its totient is φ = 1342741233408.

The previous prime is 2685566495167. The next prime is 2685566495233. The reversal of 2685566495204 is 4025946655862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 597454794304 + 2088111700900 = 772952^2 + 1445030^2 .

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 3 ways as a sum of consecutive naturals, for example, 10359509 + ... + 10615580.

It is an arithmetic number, because the mean of its divisors is an integer number (391657368025).

Almost surely, 2^{2685566495204} is an apocalyptic number.

It is an amenable number.

2685566495204 is a deficient number, since it is larger than the sum of its proper divisors (2014321921096).

2685566495204 is a wasteful number, since it uses less digits than its factorization.

2685566495204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007102 (or 21007100 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 62.

The spelling of 2685566495204 in words is "two trillion, six hundred eighty-five billion, five hundred sixty-six million, four hundred ninety-five thousand, two hundred four".