4419487873 has 2 divisors, whose sum is σ = 4419487874. Its totient is φ = 4419487872.

The previous prime is 4419487871. The next prime is 4419487883. The reversal of 4419487873 is 3787849144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3912877809 + 506610064 = 62553^2 + 22508^2 .

It is a cyclic number.

It is not a de Polignac number, because 4419487873 - 2¹ = 4419487871 is a prime.

Together with 4419487871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4419487871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209743936 + 2209743937.

It is an arithmetic number, because the mean of its divisors is an integer number (2209743937).

Almost surely, 2^4419487873 is an apocalyptic number.

It is an amenable number.

4419487873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4419487873 is an equidigital number, since it uses as much as digits as its factorization.

4419487873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The square root of 4419487873 is about 66479.2288839153. The cubic root of 4419487873 is about 1641.0581948388.

The spelling of 4419487873 in words is "four billion, four hundred nineteen million, four hundred eighty-seven thousand, eight hundred seventy-three".