5649241789 has 4 divisors (see below), whose sum is σ = 5844043260. Its totient is φ = 5454440320.

The previous prime is 5649241783. The next prime is 5649241901. The reversal of 5649241789 is 9871429465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9871429465 = 5 ⋅1974285893.

It can be written as a sum of positive squares in 2 ways, for example, as 991179289 + 4658062500 = 31483^2 + 68250^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649241789 - 2⁵ = 5649241757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649241783) 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 in 3 ways as a sum of consecutive naturals, for example, 97400692 + ... + 97400749.

It is an arithmetic number, because the mean of its divisors is an integer number (1461010815).

Almost surely, 2^5649241789 is an apocalyptic number.

It is an amenable number.

5649241789 is a deficient number, since it is larger than the sum of its proper divisors (194801471).

5649241789 is a wasteful number, since it uses less digits than its factorization.

5649241789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194801470.

The product of its digits is 4354560, while the sum is 55.

The square root of 5649241789 is about 75161.4381780977. The cubic root of 5649241789 is about 1780.9978192223.

The spelling of 5649241789 in words is "five billion, six hundred forty-nine million, two hundred forty-one thousand, seven hundred eighty-nine".