4542454489 has 2 divisors, whose sum is σ = 4542454490. Its totient is φ = 4542454488.

The previous prime is 4542454471. The next prime is 4542454513. The reversal of 4542454489 is 9844542454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4432896400 + 109558089 = 66580^2 + 10467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542454489 - 2¹¹ = 4542452441 is a prime.

It is a super-2 number, since 2×4542454489² = 41267785569272502242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4542454429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271227244 + 2271227245.

It is an arithmetic number, because the mean of its divisors is an integer number (2271227245).

Almost surely, 2^4542454489 is an apocalyptic number.

It is an amenable number.

4542454489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542454489 is an equidigital number, since it uses as much as digits as its factorization.

4542454489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3686400, while the sum is 49.

The square root of 4542454489 is about 67397.7335598164. The cubic root of 4542454489 is about 1656.1392944560.

The spelling of 4542454489 in words is "four billion, five hundred forty-two million, four hundred fifty-four thousand, four hundred eighty-nine".