2769086561 has 2 divisors, whose sum is σ = 2769086562. Its totient is φ = 2769086560.

The previous prime is 2769086557. The next prime is 2769086597. The reversal of 2769086561 is 1656809672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2354190400 + 414896161 = 48520^2 + 20369^2 .

It is a cyclic number.

It is not a de Polignac number, because 2769086561 - 2² = 2769086557 is a prime.

It is not a weakly prime, because it can be changed into another prime (2769086461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384543280 + 1384543281.

It is an arithmetic number, because the mean of its divisors is an integer number (1384543281).

Almost surely, 2^2769086561 is an apocalyptic number.

It is an amenable number.

2769086561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2769086561 is an equidigital number, since it uses as much as digits as its factorization.

2769086561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 2769086561 is about 52622.1109515762. The cubic root of 2769086561 is about 1404.2534858925.

The spelling of 2769086561 in words is "two billion, seven hundred sixty-nine million, eighty-six thousand, five hundred sixty-one".