2266648443529 has 2 divisors, whose sum is σ = 2266648443530. Its totient is φ = 2266648443528.

The previous prime is 2266648443349. The next prime is 2266648443533. The reversal of 2266648443529 is 9253448466622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766113418304 + 500535025225 = 1328952^2 + 707485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266648443529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2266648443569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133324221764 + 1133324221765.

It is an arithmetic number, because the mean of its divisors is an integer number (1133324221765).

Almost surely, 2^{2266648443529} is an apocalyptic number.

It is an amenable number.

2266648443529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266648443529 is an equidigital number, since it uses as much as digits as its factorization.

2266648443529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 61.

The spelling of 2266648443529 in words is "two trillion, two hundred sixty-six billion, six hundred forty-eight million, four hundred forty-three thousand, five hundred twenty-nine".