5541968009 has 2 divisors, whose sum is σ = 5541968010. Its totient is φ = 5541968008.

The previous prime is 5541967993. The next prime is 5541968021. The reversal of 5541968009 is 9008691455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5372890000 + 169078009 = 73300^2 + 13003^2 .

It is a cyclic number.

It is not a de Polignac number, because 5541968009 - 2⁴ = 5541967993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5541968039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770984004 + 2770984005.

It is an arithmetic number, because the mean of its divisors is an integer number (2770984005).

Almost surely, 2^5541968009 is an apocalyptic number.

It is an amenable number.

5541968009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5541968009 is an equidigital number, since it uses as much as digits as its factorization.

5541968009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 5541968009 is about 74444.3954169822. The cubic root of 5541968009 is about 1769.6525442869.

The spelling of 5541968009 in words is "five billion, five hundred forty-one million, nine hundred sixty-eight thousand, nine".