378495619 has 2 divisors, whose sum is σ = 378495620. Its totient is φ = 378495618.

The previous prime is 378495587. The next prime is 378495683. The reversal of 378495619 is 916594873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378495619 - 2⁵ = 378495587 is a prime.

It is a super-2 number, since 2×378495619² = 286517867204386322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (378495119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189247809 + 189247810.

It is an arithmetic number, because the mean of its divisors is an integer number (189247810).

Almost surely, 2^378495619 is an apocalyptic number.

378495619 is a deficient number, since it is larger than the sum of its proper divisors (1).

378495619 is an equidigital number, since it uses as much as digits as its factorization.

378495619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 378495619 is about 19454.9638652967. The cubic root of 378495619 is about 723.3585497850.

The spelling of 378495619 in words is "three hundred seventy-eight million, four hundred ninety-five thousand, six hundred nineteen".