46478219 has 2 divisors, whose sum is σ = 46478220. Its totient is φ = 46478218.

The previous prime is 46478197. The next prime is 46478249. The reversal of 46478219 is 91287464.

46478219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46478219 is a prime.

It is a super-2 number, since 2×46478219² = 4320449682823922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (46478249) 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, 23239109 + 23239110.

It is an arithmetic number, because the mean of its divisors is an integer number (23239110).

Almost surely, 2^46478219 is an apocalyptic number.

46478219 is a deficient number, since it is larger than the sum of its proper divisors (1).

46478219 is an equidigital number, since it uses as much as digits as its factorization.

46478219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 46478219 is about 6817.4936010238. The cubic root of 46478219 is about 359.5421623236.

The spelling of 46478219 in words is "forty-six million, four hundred seventy-eight thousand, two hundred nineteen".