1065825595409 has 2 divisors, whose sum is σ = 1065825595410. Its totient is φ = 1065825595408.

The previous prime is 1065825595349. The next prime is 1065825595447. The reversal of 1065825595409 is 9045955285601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065533869009 + 291726400 = 1032247^2 + 17080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065825595409 is a prime.

It is a super-2 number, since 2×1065825595409² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065825595609) 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, 532912797704 + 532912797705.

It is an arithmetic number, because the mean of its divisors is an integer number (532912797705).

Almost surely, 2^{1065825595409} is an apocalyptic number.

It is an amenable number.

1065825595409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065825595409 is an equidigital number, since it uses as much as digits as its factorization.

1065825595409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440000, while the sum is 59.

The spelling of 1065825595409 in words is "one trillion, sixty-five billion, eight hundred twenty-five million, five hundred ninety-five thousand, four hundred nine".