4548407189 has 2 divisors, whose sum is σ = 4548407190. Its totient is φ = 4548407188.

The previous prime is 4548407161. The next prime is 4548407191. The reversal of 4548407189 is 9817048454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2352735025 + 2195672164 = 48505^2 + 46858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4548407189 is a prime.

It is a Sophie Germain prime.

Together with 4548407191, it forms a pair of twin primes.

It is a Chen 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 (4548407089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274203594 + 2274203595.

It is an arithmetic number, because the mean of its divisors is an integer number (2274203595).

Almost surely, 2^4548407189 is an apocalyptic number.

It is an amenable number.

4548407189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4548407189 is an equidigital number, since it uses as much as digits as its factorization.

4548407189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4548407189 is about 67441.8800820380. The cubic root of 4548407189 is about 1656.8624128455.

The spelling of 4548407189 in words is "four billion, five hundred forty-eight million, four hundred seven thousand, one hundred eighty-nine".