1065206670289 has 4 divisors (see below), whose sum is σ = 1065373401780. Its totient is φ = 1065039938800.

The previous prime is 1065206670257. The next prime is 1065206670343. The reversal of 1065206670289 is 9820766025601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38818850625 + 1026387819664 = 197025^2 + 1013108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065206670289 - 2⁵ = 1065206670257 is a prime.

It is a super-2 number, since 2×1065206670289² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065206070289) 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 in 3 ways as a sum of consecutive naturals, for example, 83356162 + ... + 83368939.

It is an arithmetic number, because the mean of its divisors is an integer number (266343350445).

Almost surely, 2^{1065206670289} is an apocalyptic number.

It is an amenable number.

1065206670289 is a deficient number, since it is larger than the sum of its proper divisors (166731491).

1065206670289 is an equidigital number, since it uses as much as digits as its factorization.

1065206670289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166731490.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1065206670289 in words is "one trillion, sixty-five billion, two hundred six million, six hundred seventy thousand, two hundred eighty-nine".