2738780812 has 12 divisors (see below), whose sum is σ = 4909765896. Its totient is φ = 1335990560.

The previous prime is 2738780789. The next prime is 2738780827. The reversal of 2738780812 is 2180878372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8349778 + ... + 8350105.

It is an arithmetic number, because the mean of its divisors is an integer number (409147158).

Almost surely, 2^2738780812 is an apocalyptic number.

It is an amenable number.

2738780812 is a deficient number, since it is larger than the sum of its proper divisors (2170985084).

2738780812 is a wasteful number, since it uses less digits than its factorization.

2738780812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699928 (or 16699926 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 2738780812 is about 52333.3623227096. The cubic root of 2738780812 is about 1399.1118196378. Note that the first 3 decimals are identical.

The spelling of 2738780812 in words is "two billion, seven hundred thirty-eight million, seven hundred eighty thousand, eight hundred twelve".