396784957363259 has 2 divisors, whose sum is σ = 396784957363260. Its totient is φ = 396784957363258.

The previous prime is 396784957363177. The next prime is 396784957363261. The reversal of 396784957363259 is 952363759487693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396784957363259 - 2⁴⁰ = 395685445735483 is a prime.

Together with 396784957363261, 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 (396784957363279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198392478681629 + 198392478681630.

It is an arithmetic number, because the mean of its divisors is an integer number (198392478681630).

Almost surely, 2^{396784957363259} is an apocalyptic number.

396784957363259 is a deficient number, since it is larger than the sum of its proper divisors (1).

396784957363259 is an equidigital number, since it uses as much as digits as its factorization.

396784957363259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55553299200, while the sum is 86.

The spelling of 396784957363259 in words is "three hundred ninety-six trillion, seven hundred eighty-four billion, nine hundred fifty-seven million, three hundred sixty-three thousand, two hundred fifty-nine".