5861545909 has 2 divisors, whose sum is σ = 5861545910. Its totient is φ = 5861545908.

The previous prime is 5861545901. The next prime is 5861545919. The reversal of 5861545909 is 9095451685.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5579641809 + 281904100 = 74697^2 + 16790^2 .

It is a cyclic number.

It is not a de Polignac number, because 5861545909 - 2³ = 5861545901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5861545901) 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, 2930772954 + 2930772955.

It is an arithmetic number, because the mean of its divisors is an integer number (2930772955).

Almost surely, 2^5861545909 is an apocalyptic number.

It is an amenable number.

5861545909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5861545909 is an equidigital number, since it uses as much as digits as its factorization.

5861545909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The square root of 5861545909 is about 76560.7334669673. The cubic root of 5861545909 is about 1803.0345837534.

The spelling of 5861545909 in words is "five billion, eight hundred sixty-one million, five hundred forty-five thousand, nine hundred nine".