1065794333209 has 4 divisors (see below), whose sum is σ = 1073461918480. Its totient is φ = 1058126747940.

The previous prime is 1065794333159. The next prime is 1065794333239. The reversal of 1065794333209 is 9023334975601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1065794333209 - 2²¹ = 1065792236057 is a prime.

It is a super-2 number, since 2×1065794333209² (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 (1065794333239) 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, 3833792427 + ... + 3833792704.

It is an arithmetic number, because the mean of its divisors is an integer number (268365479620).

Almost surely, 2^{1065794333209} is an apocalyptic number.

It is an amenable number.

1065794333209 is a deficient number, since it is larger than the sum of its proper divisors (7667585271).

1065794333209 is an equidigital number, since it uses as much as digits as its factorization.

1065794333209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667585270.

The product of its (nonzero) digits is 3674160, while the sum is 52.

The spelling of 1065794333209 in words is "one trillion, sixty-five billion, seven hundred ninety-four million, three hundred thirty-three thousand, two hundred nine".