4258638673 has 4 divisors (see below), whose sum is σ = 4259339188. Its totient is φ = 4257938160.

The previous prime is 4258638667. The next prime is 4258638731. The reversal of 4258638673 is 3768368524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2287900224 + 1970738449 = 47832^2 + 44393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4258638673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4258638673.

It is not an unprimeable number, because it can be changed into a prime (4258638613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341058 + ... + 353323.

It is an arithmetic number, because the mean of its divisors is an integer number (1064834797).

Almost surely, 2^4258638673 is an apocalyptic number.

It is an amenable number.

4258638673 is a deficient number, since it is larger than the sum of its proper divisors (700515).

4258638673 is an equidigital number, since it uses as much as digits as its factorization.

4258638673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700514.

The product of its digits is 5806080, while the sum is 52.

The square root of 4258638673 is about 65258.2460153504. The cubic root of 4258638673 is about 1620.9026459995.

The spelling of 4258638673 in words is "four billion, two hundred fifty-eight million, six hundred thirty-eight thousand, six hundred seventy-three".