1001011010689 has 2 divisors, whose sum is σ = 1001011010690. Its totient is φ = 1001011010688.

The previous prime is 1001011010669. The next prime is 1001011010707. The reversal of 1001011010689 is 9860101101001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985040370064 + 15970640625 = 992492^2 + 126375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001011010689 - 2⁹ = 1001011010177 is a prime.

It is a super-2 number, since 2×1001011010689² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001011010669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505505344 + 500505505345.

It is an arithmetic number, because the mean of its divisors is an integer number (500505505345).

Almost surely, 2^{1001011010689} is an apocalyptic number.

It is an amenable number.

1001011010689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011010689 is an equidigital number, since it uses as much as digits as its factorization.

1001011010689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 1001011010689 in words is "one trillion, one billion, eleven million, ten thousand, six hundred eighty-nine".