5489540641 has 8 divisors (see below), whose sum is σ = 5946796520. Its totient is φ = 5067266256.

The previous prime is 5489540627. The next prime is 5489540647. The reversal of 5489540641 is 1460459845.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 691900416 + 4797640225 = 26304^2 + 69265^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5489540641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5489540591 and 5489540600.

It is not an unprimeable number, because it can be changed into a prime (5489540647) 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 7 ways as a sum of consecutive naturals, for example, 1247130 + ... + 1251523.

It is an arithmetic number, because the mean of its divisors is an integer number (743349565).

Almost surely, 2^5489540641 is an apocalyptic number.

It is an amenable number.

5489540641 is a deficient number, since it is larger than the sum of its proper divisors (457255879).

5489540641 is an equidigital number, since it uses as much as digits as its factorization.

5489540641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498692 (or 2498666 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 5489540641 is about 74091.4343294824. The cubic root of 5489540641 is about 1764.0545127452.

The spelling of 5489540641 in words is "five billion, four hundred eighty-nine million, five hundred forty thousand, six hundred forty-one".