2685366836 has 6 divisors (see below), whose sum is σ = 4699391970. Its totient is φ = 1342683416.

The previous prime is 2685366823. The next prime is 2685366851. The reversal of 2685366836 is 6386635862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2563396900 + 121969936 = 50630^2 + 11044^2 .

It is a super-2 number, since 2×2685366836² = 14422390087777301792, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 335670851 + ... + 335670858.

It is an arithmetic number, because the mean of its divisors is an integer number (783231995).

Almost surely, 2^2685366836 is an apocalyptic number.

It is an amenable number.

2685366836 is a deficient number, since it is larger than the sum of its proper divisors (2014025134).

2685366836 is a wasteful number, since it uses less digits than its factorization.

2685366836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671341713 (or 671341711 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The square root of 2685366836 is about 51820.5252385577. The cubic root of 2685366836 is about 1389.9564943339.

The spelling of 2685366836 in words is "two billion, six hundred eighty-five million, three hundred sixty-six thousand, eight hundred thirty-six".