378323519027 has 2 divisors, whose sum is σ = 378323519028. Its totient is φ = 378323519026.

The previous prime is 378323519009. The next prime is 378323519089. The reversal of 378323519027 is 720915323873.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378323519027 is a prime.

It is not a weakly prime, because it can be changed into another prime (378323519527) 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, 189161759513 + 189161759514.

It is an arithmetic number, because the mean of its divisors is an integer number (189161759514).

Almost surely, 2^378323519027 is an apocalyptic number.

378323519027 is a deficient number, since it is larger than the sum of its proper divisors (1).

378323519027 is an equidigital number, since it uses as much as digits as its factorization.

378323519027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 378323519027 in words is "three hundred seventy-eight billion, three hundred twenty-three million, five hundred nineteen thousand, twenty-seven".