2685453556 has 6 divisors (see below), whose sum is σ = 4699543730. Its totient is φ = 1342726776.

The previous prime is 2685453553. The next prime is 2685453577. The reversal of 2685453556 is 6553545862.

It can be written as a sum of positive squares in only one way, i.e., 1752761956 + 932691600 = 41866^2 + 30540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685453553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335681691 + ... + 335681698.

Almost surely, 2^2685453556 is an apocalyptic number.

It is an amenable number.

2685453556 is a deficient number, since it is larger than the sum of its proper divisors (2014090174).

2685453556 is a wasteful number, since it uses less digits than its factorization.

2685453556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671363393 (or 671363391 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

The square root of 2685453556 is about 51821.3619658920. The cubic root of 2685453556 is about 1389.9714563778.

The spelling of 2685453556 in words is "two billion, six hundred eighty-five million, four hundred fifty-three thousand, five hundred fifty-six".