1328710379 has 2 divisors, whose sum is σ = 1328710380. Its totient is φ = 1328710378.

The previous prime is 1328710349. The next prime is 1328710381. The reversal of 1328710379 is 9730178231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328710379 is a prime.

Together with 1328710381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1328710319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664355189 + 664355190.

It is an arithmetic number, because the mean of its divisors is an integer number (664355190).

Almost surely, 2^1328710379 is an apocalyptic number.

1328710379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328710379 is an equidigital number, since it uses as much as digits as its factorization.

1328710379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1328710379 is about 36451.4797916353. The cubic root of 1328710379 is about 1099.3688883899.

The spelling of 1328710379 in words is "one billion, three hundred twenty-eight million, seven hundred ten thousand, three hundred seventy-nine".