378913259 has 2 divisors, whose sum is σ = 378913260. Its totient is φ = 378913258.

The previous prime is 378913253. The next prime is 378913261. The reversal of 378913259 is 952319873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378913259 - 2²⁸ = 110477803 is a prime.

Together with 378913261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378913253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189456629 + 189456630.

It is an arithmetic number, because the mean of its divisors is an integer number (189456630).

Almost surely, 2^378913259 is an apocalyptic number.

378913259 is a deficient number, since it is larger than the sum of its proper divisors (1).

378913259 is an equidigital number, since it uses as much as digits as its factorization.

378913259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 378913259 is about 19465.6944135060. The cubic root of 378913259 is about 723.6245083165.

The spelling of 378913259 in words is "three hundred seventy-eight million, nine hundred thirteen thousand, two hundred fifty-nine".