478468633 has 2 divisors, whose sum is σ = 478468634. Its totient is φ = 478468632.

The previous prime is 478468631. The next prime is 478468649. The reversal of 478468633 is 336864874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271195024 + 207273609 = 16468^2 + 14397^2 .

It is a cyclic number.

It is not a de Polignac number, because 478468633 - 2¹ = 478468631 is a prime.

Together with 478468631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (478468631) 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, 239234316 + 239234317.

It is an arithmetic number, because the mean of its divisors is an integer number (239234317).

Almost surely, 2^478468633 is an apocalyptic number.

It is an amenable number.

478468633 is a deficient number, since it is larger than the sum of its proper divisors (1).

478468633 is an equidigital number, since it uses as much as digits as its factorization.

478468633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 49.

The square root of 478468633 is about 21873.9258707713. The cubic root of 478468633 is about 782.1399885222.

The spelling of 478468633 in words is "four hundred seventy-eight million, four hundred sixty-eight thousand, six hundred thirty-three".