378896814019 has 2 divisors, whose sum is σ = 378896814020. Its totient is φ = 378896814018.

The previous prime is 378896814017. The next prime is 378896814031. The reversal of 378896814019 is 910418698873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378896814019 - 2¹ = 378896814017 is a prime.

It is a super-2 number, since 2×378896814019² (a number of 24 digits) contains 22 as substring.

Together with 378896814017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (378896814013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189448407009 + 189448407010.

It is an arithmetic number, because the mean of its divisors is an integer number (189448407010).

Almost surely, 2^378896814019 is an apocalyptic number.

378896814019 is a deficient number, since it is larger than the sum of its proper divisors (1).

378896814019 is an equidigital number, since it uses as much as digits as its factorization.

378896814019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 378896814019 in words is "three hundred seventy-eight billion, eight hundred ninety-six million, eight hundred fourteen thousand, nineteen".