4273789217 has 2 divisors, whose sum is σ = 4273789218. Its totient is φ = 4273789216.

The previous prime is 4273789211. The next prime is 4273789241. The reversal of 4273789217 is 7129873724.

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., 4137576976 + 136212241 = 64324^2 + 11671^2 .

It is a cyclic number.

It is not a de Polignac number, because 4273789217 - 2¹⁶ = 4273723681 is a prime.

It is not a weakly prime, because it can be changed into another prime (4273789211) 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, 2136894608 + 2136894609.

It is an arithmetic number, because the mean of its divisors is an integer number (2136894609).

Almost surely, 2^4273789217 is an apocalyptic number.

It is an amenable number.

4273789217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273789217 is an equidigital number, since it uses as much as digits as its factorization.

4273789217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 4273789217 is about 65374.2244084012. The cubic root of 4273789217 is about 1622.8225468688.

The spelling of 4273789217 in words is "four billion, two hundred seventy-three million, seven hundred eighty-nine thousand, two hundred seventeen".