4564661273 has 2 divisors, whose sum is σ = 4564661274. Its totient is φ = 4564661272.

The previous prime is 4564661221. The next prime is 4564661287. The reversal of 4564661273 is 3721664654.

4564661273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4553955289 + 10705984 = 67483^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 4564661273 - 2⁶ = 4564661209 is a prime.

It is a super-2 number, since 2×4564661273² = 41672265074451961058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4564661203) 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, 2282330636 + 2282330637.

It is an arithmetic number, because the mean of its divisors is an integer number (2282330637).

Almost surely, 2^4564661273 is an apocalyptic number.

It is an amenable number.

4564661273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4564661273 is an equidigital number, since it uses as much as digits as its factorization.

4564661273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The square root of 4564661273 is about 67562.2769968568. The cubic root of 4564661273 is about 1658.8337084012.

The spelling of 4564661273 in words is "four billion, five hundred sixty-four million, six hundred sixty-one thousand, two hundred seventy-three".