378081419 has 2 divisors, whose sum is σ = 378081420. Its totient is φ = 378081418.

The previous prime is 378081373. The next prime is 378081443. The reversal of 378081419 is 914180873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378081419 is a prime.

It is a super-2 number, since 2×378081419² = 285891118786107122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378081619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189040709 + 189040710.

It is an arithmetic number, because the mean of its divisors is an integer number (189040710).

Almost surely, 2^378081419 is an apocalyptic number.

378081419 is a deficient number, since it is larger than the sum of its proper divisors (1).

378081419 is an equidigital number, since it uses as much as digits as its factorization.

378081419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 378081419 is about 19444.3158532256. The cubic root of 378081419 is about 723.0945885874.

The spelling of 378081419 in words is "three hundred seventy-eight million, eighty-one thousand, four hundred nineteen".