4263945589 has 6 divisors (see below), whose sum is σ = 4312401410. Its totient is φ = 4216028256.

The previous prime is 4263945571. The next prime is 4263945649. The reversal of 4263945589 is 9855493624.

It can be written as a sum of positive squares in 3 ways, for example, as 112720689 + 4151224900 = 10617^2 + 64430^2 .

It is not a de Polignac number, because 4263945589 - 2⁵ = 4263945557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4263949589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261234 + ... + 277075.

Almost surely, 2^4263945589 is an apocalyptic number.

It is an amenable number.

4263945589 is a deficient number, since it is larger than the sum of its proper divisors (48455821).

4263945589 is an frugal number, since it uses more digits than its factorization.

4263945589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538487 (or 538398 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The square root of 4263945589 is about 65298.8942402549. The cubic root of 4263945589 is about 1621.5756641621.

The spelling of 4263945589 in words is "four billion, two hundred sixty-three million, nine hundred forty-five thousand, five hundred eighty-nine".