1328673611 has 2 divisors, whose sum is σ = 1328673612. Its totient is φ = 1328673610.

The previous prime is 1328673601. The next prime is 1328673631. The reversal of 1328673611 is 1163768231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1328673611 - 2¹⁴ = 1328657227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1328673601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664336805 + 664336806.

It is an arithmetic number, because the mean of its divisors is an integer number (664336806).

Almost surely, 2^1328673611 is an apocalyptic number.

1328673611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328673611 is an equidigital number, since it uses as much as digits as its factorization.

1328673611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 1328673611 is about 36450.9754464815. The cubic root of 1328673611 is about 1099.3587477380.

The spelling of 1328673611 in words is "one billion, three hundred twenty-eight million, six hundred seventy-three thousand, six hundred eleven".