4645441217 has 2 divisors, whose sum is σ = 4645441218. Its totient is φ = 4645441216.

The previous prime is 4645441189. The next prime is 4645441247. The reversal of 4645441217 is 7121445464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4509928336 + 135512881 = 67156^2 + 11641^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645441217 - 2¹⁸ = 4645179073 is a prime.

It is not a weakly prime, because it can be changed into another prime (4645441247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322720608 + 2322720609.

It is an arithmetic number, because the mean of its divisors is an integer number (2322720609).

Almost surely, 2^4645441217 is an apocalyptic number.

It is an amenable number.

4645441217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645441217 is an equidigital number, since it uses as much as digits as its factorization.

4645441217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 4645441217 is about 68157.4736694370. The cubic root of 4645441217 is about 1668.5619011859.

The spelling of 4645441217 in words is "four billion, six hundred forty-five million, four hundred forty-one thousand, two hundred seventeen".