2743081216 has 18 divisors (see below), whose sum is σ = 5475447782. Its totient is φ = 1371540480.

The previous prime is 2743081207. The next prime is 2743081219. The reversal of 2743081216 is 6121803472.

It can be written as a sum of positive squares in only one way, i.e., 1672482816 + 1070598400 = 40896^2 + 32720^2 .

It is not an unprimeable number, because it can be changed into a prime (2743081219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5357325 + ... + 5357836.

Almost surely, 2^2743081216 is an apocalyptic number.

It is an amenable number.

2743081216 is a deficient number, since it is larger than the sum of its proper divisors (2732366566).

2743081216 is an equidigital number, since it uses as much as digits as its factorization.

2743081216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715177 (or 10715163 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2743081216 is about 52374.4328465712. The cubic root of 2743081216 is about 1399.8437267745.

Adding to 2743081216 its reverse (6121803472), we get a palindrome (8864884688).

The spelling of 2743081216 in words is "two billion, seven hundred forty-three million, eighty-one thousand, two hundred sixteen".