4487857273 has 2 divisors, whose sum is σ = 4487857274. Its totient is φ = 4487857272.

The previous prime is 4487857219. The next prime is 4487857279. The reversal of 4487857273 is 3727587844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4482034704 + 5822569 = 66948^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487857273 - 2²¹ = 4485760121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4487857279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243928636 + 2243928637.

It is an arithmetic number, because the mean of its divisors is an integer number (2243928637).

Almost surely, 2^4487857273 is an apocalyptic number.

It is an amenable number.

4487857273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487857273 is an equidigital number, since it uses as much as digits as its factorization.

4487857273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10536960, while the sum is 55.

The square root of 4487857273 is about 66991.4716437846. The cubic root of 4487857273 is about 1649.4773089407.

The spelling of 4487857273 in words is "four billion, four hundred eighty-seven million, eight hundred fifty-seven thousand, two hundred seventy-three".