4689449273 has 2 divisors, whose sum is σ = 4689449274. Its totient is φ = 4689449272.

The previous prime is 4689449221. The next prime is 4689449279. The reversal of 4689449273 is 3729449864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4669262224 + 20187049 = 68332^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 4689449273 - 2²⁰ = 4688400697 is a prime.

It is not a weakly prime, because it can be changed into another prime (4689449279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344724636 + 2344724637.

It is an arithmetic number, because the mean of its divisors is an integer number (2344724637).

Almost surely, 2^4689449273 is an apocalyptic number.

It is an amenable number.

4689449273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4689449273 is an equidigital number, since it uses as much as digits as its factorization.

4689449273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 56.

The square root of 4689449273 is about 68479.5536857535. The cubic root of 4689449273 is about 1673.8143266253.

The spelling of 4689449273 in words is "four billion, six hundred eighty-nine million, four hundred forty-nine thousand, two hundred seventy-three".