2773456065 has 16 divisors (see below), whose sum is σ = 4930588800. Its totient is φ = 1479176496.

The previous prime is 2773455967. The next prime is 2773456079. The reversal of 2773456065 is 5606543772.

2773456065 is a `hidden beast` number, since 2 + 7 + 7 + 34 + 5 + 606 + 5 = 666.

It is not a de Polignac number, because 2773456065 - 2²⁴ = 2756678849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2773456065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10271925 + ... + 10272194.

It is an arithmetic number, because the mean of its divisors is an integer number (308161800).

Almost surely, 2^2773456065 is an apocalyptic number.

It is an amenable number.

2773456065 is a deficient number, since it is larger than the sum of its proper divisors (2157132735).

2773456065 is a wasteful number, since it uses less digits than its factorization.

2773456065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20544133 (or 20544127 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The square root of 2773456065 is about 52663.6123428692. The cubic root of 2773456065 is about 1404.9917156927.

The spelling of 2773456065 in words is "two billion, seven hundred seventy-three million, four hundred fifty-six thousand, sixty-five".