2883638561 has 2 divisors, whose sum is σ = 2883638562. Its totient is φ = 2883638560.

The previous prime is 2883638533. The next prime is 2883638603. The reversal of 2883638561 is 1658363882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1676493025 + 1207145536 = 40945^2 + 34744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2883638561 - 2⁶ = 2883638497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2883638861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441819280 + 1441819281.

It is an arithmetic number, because the mean of its divisors is an integer number (1441819281).

Almost surely, 2^2883638561 is an apocalyptic number.

It is an amenable number.

2883638561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2883638561 is an equidigital number, since it uses as much as digits as its factorization.

2883638561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The square root of 2883638561 is about 53699.5210500057. The cubic root of 2883638561 is about 1423.3562350752.

The spelling of 2883638561 in words is "two billion, eight hundred eighty-three million, six hundred thirty-eight thousand, five hundred sixty-one".