4542355609 has 15 divisors (see below), whose sum is σ = 5005546735. Its totient is φ = 4122000520.

The previous prime is 4542355607. The next prime is 4542355621. The reversal of 4542355609 is 9065532454.

The square root of 4542355609 is 67397.

It is a perfect power (a square), and thus also a powerful number.

4542355609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 398601225 + 4143754384 = 19965^2 + 64372^2 .

It is not a de Polignac number, because 4542355609 - 2¹ = 4542355607 is a prime.

It is a super-2 number, since 2×4542355609² = 41265988957227521762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542355603) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8154759 + ... + 8155315.

Almost surely, 2^4542355609 is an apocalyptic number.

4542355609 is the 67397-th square number.

4542355609 is the 33699-th centered octagonal number.

It is an amenable number.

4542355609 is a deficient number, since it is larger than the sum of its proper divisors (463191126).

4542355609 is an frugal number, since it uses more digits than its factorization.

4542355609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The cubic root of 4542355609 is about 1656.1272774402.

The spelling of 4542355609 in words is "four billion, five hundred forty-two million, three hundred fifty-five thousand, six hundred nine".