2773661612 has 6 divisors (see below), whose sum is σ = 4853907828. Its totient is φ = 1386830804.

The previous prime is 2773661581. The next prime is 2773661617. The reversal of 2773661612 is 2161663772.

It is a self number, because there is not a number n which added to its sum of digits gives 2773661612.

It is not an unprimeable number, because it can be changed into a prime (2773661617) by changing a digit.

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 as a sum of consecutive naturals, namely, 346707698 + ... + 346707705.

It is an arithmetic number, because the mean of its divisors is an integer number (808984638).

Almost surely, 2^2773661612 is an apocalyptic number.

It is an amenable number.

2773661612 is a deficient number, since it is larger than the sum of its proper divisors (2080246216).

2773661612 is a wasteful number, since it uses less digits than its factorization.

2773661612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693415407 (or 693415405 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 2773661612 is about 52665.5638154572. The cubic root of 2773661612 is about 1405.0264238560.

The spelling of 2773661612 in words is "two billion, seven hundred seventy-three million, six hundred sixty-one thousand, six hundred twelve".