5477244389 has 4 divisors (see below), whose sum is σ = 5533710924. Its totient is φ = 5420777856.

The previous prime is 5477244379. The next prime is 5477244391. The reversal of 5477244389 is 9834427745.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4530636100 + 946608289 = 67310^2 + 30767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5477244389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5477244389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5477244329) 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, 28233122 + ... + 28233315.

It is an arithmetic number, because the mean of its divisors is an integer number (1383427731).

Almost surely, 2^5477244389 is an apocalyptic number.

It is an amenable number.

5477244389 is a deficient number, since it is larger than the sum of its proper divisors (56466535).

5477244389 is an equidigital number, since it uses as much as digits as its factorization.

5477244389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56466534.

The product of its digits is 6773760, while the sum is 53.

The square root of 5477244389 is about 74008.4075561689. The cubic root of 5477244389 is about 1762.7364015617.

The spelling of 5477244389 in words is "five billion, four hundred seventy-seven million, two hundred forty-four thousand, three hundred eighty-nine".