2773664536 has 32 divisors (see below), whose sum is σ = 5477256000. Its totient is φ = 1313140896.

The previous prime is 2773664503. The next prime is 2773664557. The reversal of 2773664536 is 6354663772.

It is a self number, because there is not a number n which added to its sum of digits gives 2773664536.

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 in 7 ways as a sum of consecutive naturals, for example, 382335 + ... + 389521.

It is an arithmetic number, because the mean of its divisors is an integer number (171164250).

Almost surely, 2^2773664536 is an apocalyptic number.

It is an amenable number.

2773664536 is a deficient number, since it is larger than the sum of its proper divisors (2703591464).

2773664536 is a wasteful number, since it uses less digits than its factorization.

2773664536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751 (or 9747 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 49.

The square root of 2773664536 is about 52665.5915755249. The cubic root of 2773664536 is about 1405.0269175831.

The spelling of 2773664536 in words is "two billion, seven hundred seventy-three million, six hundred sixty-four thousand, five hundred thirty-six".