381322079 has 2 divisors, whose sum is σ = 381322080. Its totient is φ = 381322078.

The previous prime is 381322069. The next prime is 381322147. The reversal of 381322079 is 970223183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381322079 - 2¹² = 381317983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381322069) 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, 190661039 + 190661040.

It is an arithmetic number, because the mean of its divisors is an integer number (190661040).

Almost surely, 2^381322079 is an apocalyptic number.

381322079 is a deficient number, since it is larger than the sum of its proper divisors (1).

381322079 is an equidigital number, since it uses as much as digits as its factorization.

381322079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 381322079 is about 19527.4698565892. The cubic root of 381322079 is about 725.1546742521.

The spelling of 381322079 in words is "three hundred eighty-one million, three hundred twenty-two thousand, seventy-nine".