378755320319 has 2 divisors, whose sum is σ = 378755320320. Its totient is φ = 378755320318.

The previous prime is 378755320313. The next prime is 378755320327. The reversal of 378755320319 is 913023557873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378755320319 - 2⁴ = 378755320303 is a prime.

It is a super-2 number, since 2×378755320319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378755320313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189377660159 + 189377660160.

It is an arithmetic number, because the mean of its divisors is an integer number (189377660160).

Almost surely, 2^378755320319 is an apocalyptic number.

378755320319 is a deficient number, since it is larger than the sum of its proper divisors (1).

378755320319 is an equidigital number, since it uses as much as digits as its factorization.

378755320319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 378755320319 in words is "three hundred seventy-eight billion, seven hundred fifty-five million, three hundred twenty thousand, three hundred nineteen".