2266020866639 has 2 divisors, whose sum is σ = 2266020866640. Its totient is φ = 2266020866638.

The previous prime is 2266020866531. The next prime is 2266020866651. The reversal of 2266020866639 is 9366680206622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2266020866639 - 2⁴⁰ = 1166509238863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266020866939) 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, 1133010433319 + 1133010433320.

It is an arithmetic number, because the mean of its divisors is an integer number (1133010433320).

Almost surely, 2^{2266020866639} is an apocalyptic number.

2266020866639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266020866639 is an equidigital number, since it uses as much as digits as its factorization.

2266020866639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 2266020866639 in words is "two trillion, two hundred sixty-six billion, twenty million, eight hundred sixty-six thousand, six hundred thirty-nine".