2764705649 has 2 divisors, whose sum is σ = 2764705650. Its totient is φ = 2764705648.

The previous prime is 2764705591. The next prime is 2764705663. The reversal of 2764705649 is 9465074672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2763394624 + 1311025 = 52568^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764705649 - 2²⁰ = 2763657073 is a prime.

It is a super-2 number, since 2×2764705649² = 15287194651225022402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2764705597 and 2764705606.

It is not a weakly prime, because it can be changed into another prime (2764705049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382352824 + 1382352825.

It is an arithmetic number, because the mean of its divisors is an integer number (1382352825).

Almost surely, 2^2764705649 is an apocalyptic number.

It is an amenable number.

2764705649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764705649 is an equidigital number, since it uses as much as digits as its factorization.

2764705649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 2764705649 is about 52580.4683223723. The cubic root of 2764705649 is about 1403.5125486514.

The spelling of 2764705649 in words is "two billion, seven hundred sixty-four million, seven hundred five thousand, six hundred forty-nine".