478219099 has 2 divisors, whose sum is σ = 478219100. Its totient is φ = 478219098.

The previous prime is 478219087. The next prime is 478219103. The reversal of 478219099 is 990912874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478219099 - 2⁷ = 478218971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (478219069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239109549 + 239109550.

It is an arithmetic number, because the mean of its divisors is an integer number (239109550).

Almost surely, 2^478219099 is an apocalyptic number.

478219099 is a deficient number, since it is larger than the sum of its proper divisors (1).

478219099 is an equidigital number, since it uses as much as digits as its factorization.

478219099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 478219099 is about 21868.2212125266. The cubic root of 478219099 is about 782.0039960070.

The spelling of 478219099 in words is "four hundred seventy-eight million, two hundred nineteen thousand, ninety-nine".