380178438121 has 2 divisors, whose sum is σ = 380178438122. Its totient is φ = 380178438120.

The previous prime is 380178438083. The next prime is 380178438169. The reversal of 380178438121 is 121834871083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379993342096 + 185096025 = 616436^2 + 13605^2 .

It is an emirp because it is prime and its reverse (121834871083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380178438121 - 2¹¹ = 380178436073 is a prime.

It is not a weakly prime, because it can be changed into another prime (380178438181) 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, 190089219060 + 190089219061.

It is an arithmetic number, because the mean of its divisors is an integer number (190089219061).

Almost surely, 2^380178438121 is an apocalyptic number.

It is an amenable number.

380178438121 is a deficient number, since it is larger than the sum of its proper divisors (1).

380178438121 is an equidigital number, since it uses as much as digits as its factorization.

380178438121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 380178438121 in words is "three hundred eighty billion, one hundred seventy-eight million, four hundred thirty-eight thousand, one hundred twenty-one".