2770774261 has 2 divisors, whose sum is σ = 2770774262. Its totient is φ = 2770774260.

The previous prime is 2770774249. The next prime is 2770774297. The reversal of 2770774261 is 1624770772.

2770774261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1805740036 + 965034225 = 42494^2 + 31065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770774261 - 2⁷ = 2770774133 is a prime.

It is a super-2 number, since 2×2770774261² = 15354380010840192242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2770774241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385387130 + 1385387131.

It is an arithmetic number, because the mean of its divisors is an integer number (1385387131).

Almost surely, 2^2770774261 is an apocalyptic number.

It is an amenable number.

2770774261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770774261 is an equidigital number, since it uses as much as digits as its factorization.

2770774261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 2770774261 is about 52638.1445436672. The cubic root of 2770774261 is about 1404.5387156050.

The spelling of 2770774261 in words is "two billion, seven hundred seventy million, seven hundred seventy-four thousand, two hundred sixty-one".