2685904080206 has 4 divisors (see below), whose sum is σ = 4028856120312. Its totient is φ = 1342952040102.

The previous prime is 2685904080163. The next prime is 2685904080287. The reversal of 2685904080206 is 6020804095862.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671476020050 + ... + 671476020053.

It is an arithmetic number, because the mean of its divisors is an integer number (1007214030078).

Almost surely, 2^{2685904080206} is an apocalyptic number.

2685904080206 is a deficient number, since it is larger than the sum of its proper divisors (1342952040106).

2685904080206 is a wasteful number, since it uses less digits than its factorization.

2685904080206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342952040105.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 2685904080206 in words is "two trillion, six hundred eighty-five billion, nine hundred four million, eighty thousand, two hundred six".