1327316673 has 4 divisors (see below), whose sum is σ = 1769755568. Its totient is φ = 884877780.

The previous prime is 1327316659. The next prime is 1327316713. The reversal of 1327316673 is 3766137231.

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 not a de Polignac number, because 1327316673 - 2²¹ = 1325219521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327316603) 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 in 3 ways as a sum of consecutive naturals, for example, 221219443 + ... + 221219448.

It is an arithmetic number, because the mean of its divisors is an integer number (442438892).

Almost surely, 2^1327316673 is an apocalyptic number.

It is an amenable number.

1327316673 is a deficient number, since it is larger than the sum of its proper divisors (442438895).

1327316673 is an equidigital number, since it uses as much as digits as its factorization.

1327316673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442438894.

The product of its digits is 95256, while the sum is 39.

The square root of 1327316673 is about 36432.3574998929. The cubic root of 1327316673 is about 1098.9843719274.

The spelling of 1327316673 in words is "one billion, three hundred twenty-seven million, three hundred sixteen thousand, six hundred seventy-three".