5448578549 has 2 divisors, whose sum is σ = 5448578550. Its totient is φ = 5448578548.

The previous prime is 5448578539. The next prime is 5448578587. The reversal of 5448578549 is 9458758445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4205522500 + 1243056049 = 64850^2 + 35257^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448578549 - 2¹⁶ = 5448513013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5448578539) 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, 2724289274 + 2724289275.

It is an arithmetic number, because the mean of its divisors is an integer number (2724289275).

Almost surely, 2^5448578549 is an apocalyptic number.

It is an amenable number.

5448578549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5448578549 is an equidigital number, since it uses as much as digits as its factorization.

5448578549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256000, while the sum is 59.

The square root of 5448578549 is about 73814.4873923812. The cubic root of 5448578549 is about 1759.6558543924.

The spelling of 5448578549 in words is "five billion, four hundred forty-eight million, five hundred seventy-eight thousand, five hundred forty-nine".