381354164579 has 2 divisors, whose sum is σ = 381354164580. Its totient is φ = 381354164578.

The previous prime is 381354164497. The next prime is 381354164621. The reversal of 381354164579 is 975461453183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381354164579 is a prime.

It is not a weakly prime, because it can be changed into another prime (381354164479) 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, 190677082289 + 190677082290.

It is an arithmetic number, because the mean of its divisors is an integer number (190677082290).

Almost surely, 2^381354164579 is an apocalyptic number.

381354164579 is a deficient number, since it is larger than the sum of its proper divisors (1).

381354164579 is an equidigital number, since it uses as much as digits as its factorization.

381354164579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 56.

The spelling of 381354164579 in words is "three hundred eighty-one billion, three hundred fifty-four million, one hundred sixty-four thousand, five hundred seventy-nine".