4542789389 has 2 divisors, whose sum is σ = 4542789390. Its totient is φ = 4542789388.

The previous prime is 4542789373. The next prime is 4542789397. The reversal of 4542789389 is 9839872454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839824100 + 1702965289 = 53290^2 + 41267^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542789389 - 2⁴ = 4542789373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4542789359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271394694 + 2271394695.

It is an arithmetic number, because the mean of its divisors is an integer number (2271394695).

Almost surely, 2^4542789389 is an apocalyptic number.

It is an amenable number.

4542789389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542789389 is an equidigital number, since it uses as much as digits as its factorization.

4542789389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 59.

The square root of 4542789389 is about 67400.2180189352. The cubic root of 4542789389 is about 1656.1799939956.

The spelling of 4542789389 in words is "four billion, five hundred forty-two million, seven hundred eighty-nine thousand, three hundred eighty-nine".