2772064709 has 2 divisors, whose sum is σ = 2772064710. Its totient is φ = 2772064708.

The previous prime is 2772064681. The next prime is 2772064721. The reversal of 2772064709 is 9074602772.

2772064709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1893120100 + 878944609 = 43510^2 + 29647^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772064709 - 2⁸ = 2772064453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2772064709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772064759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386032354 + 1386032355.

It is an arithmetic number, because the mean of its divisors is an integer number (1386032355).

Almost surely, 2^2772064709 is an apocalyptic number.

It is an amenable number.

2772064709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772064709 is an equidigital number, since it uses as much as digits as its factorization.

2772064709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 2772064709 is about 52650.4008436783. The cubic root of 2772064709 is about 1404.7567296207.

It can be divided in two parts, 27720 and 64709, that added together give a palindrome (92429).

The spelling of 2772064709 in words is "two billion, seven hundred seventy-two million, sixty-four thousand, seven hundred nine".