2773347745 has 16 divisors (see below), whose sum is σ = 3855553920. Its totient is φ = 1875671424.

The previous prime is 2773347743. The next prime is 2773347769. The reversal of 2773347745 is 5477433772.

It is a cyclic number.

It is not a de Polignac number, because 2773347745 - 2¹ = 2773347743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2773347743) 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 in 15 ways as a sum of consecutive naturals, for example, 540175 + ... + 545284.

It is an arithmetic number, because the mean of its divisors is an integer number (240972120).

Almost surely, 2^2773347745 is an apocalyptic number.

It is an amenable number.

2773347745 is a deficient number, since it is larger than the sum of its proper divisors (1082206175).

2773347745 is a wasteful number, since it uses less digits than its factorization.

2773347745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085544.

The product of its digits is 3457440, while the sum is 49.

The square root of 2773347745 is about 52662.5839187558. The cubic root of 2773347745 is about 1404.9734243526.

The spelling of 2773347745 in words is "two billion, seven hundred seventy-three million, three hundred forty-seven thousand, seven hundred forty-five".