2770772729 has 2 divisors, whose sum is σ = 2770772730. Its totient is φ = 2770772728.

The previous prime is 2770772687. The next prime is 2770772759. The reversal of 2770772729 is 9272770772.

It is a happy number.

2770772729 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., 2388961129 + 381811600 = 48877^2 + 19540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770772729 - 2¹² = 2770768633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2770772759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385386364 + 1385386365.

It is an arithmetic number, because the mean of its divisors is an integer number (1385386365).

Almost surely, 2^2770772729 is an apocalyptic number.

It is an amenable number.

2770772729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770772729 is an equidigital number, since it uses as much as digits as its factorization.

2770772729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1210104, while the sum is 50.

The square root of 2770772729 is about 52638.1299914805. The cubic root of 2770772729 is about 1404.5384567419.

The spelling of 2770772729 in words is "two billion, seven hundred seventy million, seven hundred seventy-two thousand, seven hundred twenty-nine".