1009866883373 has 2 divisors, whose sum is σ = 1009866883374. Its totient is φ = 1009866883372.

The previous prime is 1009866883339. The next prime is 1009866883397. The reversal of 1009866883373 is 3733886689001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779330543209 + 230536340164 = 882797^2 + 480142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009866883373 is a prime.

It is a super-2 number, since 2×1009866883373² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009866883673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504933441686 + 504933441687.

It is an arithmetic number, because the mean of its divisors is an integer number (504933441687).

Almost surely, 2^{1009866883373} is an apocalyptic number.

It is an amenable number.

1009866883373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009866883373 is an equidigital number, since it uses as much as digits as its factorization.

1009866883373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 1009866883373 in words is "one trillion, nine billion, eight hundred sixty-six million, eight hundred eighty-three thousand, three hundred seventy-three".