381319063 has 2 divisors, whose sum is σ = 381319064. Its totient is φ = 381319062.

The previous prime is 381319051. The next prime is 381319091. The reversal of 381319063 is 360913183.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381319063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381319363) 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 as a sum of consecutive naturals, namely, 190659531 + 190659532.

It is an arithmetic number, because the mean of its divisors is an integer number (190659532).

Almost surely, 2^381319063 is an apocalyptic number.

381319063 is a deficient number, since it is larger than the sum of its proper divisors (1).

381319063 is an equidigital number, since it uses as much as digits as its factorization.

381319063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 381319063 is about 19527.3926318902. The cubic root of 381319063 is about 725.1527624193.

The spelling of 381319063 in words is "three hundred eighty-one million, three hundred nineteen thousand, sixty-three".