4219854473 has 2 divisors, whose sum is σ = 4219854474. Its totient is φ = 4219854472.

The previous prime is 4219854469. The next prime is 4219854481. The reversal of 4219854473 is 3744589124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2161599049 + 2058255424 = 46493^2 + 45368^2 .

It is a cyclic number.

It is not a de Polignac number, because 4219854473 - 2² = 4219854469 is a prime.

It is not a weakly prime, because it can be changed into another prime (4219854173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109927236 + 2109927237.

It is an arithmetic number, because the mean of its divisors is an integer number (2109927237).

Almost surely, 2^4219854473 is an apocalyptic number.

It is an amenable number.

4219854473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4219854473 is an equidigital number, since it uses as much as digits as its factorization.

4219854473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 4219854473 is about 64960.4069645503. The cubic root of 4219854473 is about 1615.9670135134.

The spelling of 4219854473 in words is "four billion, two hundred nineteen million, eight hundred fifty-four thousand, four hundred seventy-three".