8461984159 has 2 divisors, whose sum is σ = 8461984160. Its totient is φ = 8461984158.

The previous prime is 8461984151. The next prime is 8461984171. The reversal of 8461984159 is 9514891648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8461984159 - 2³ = 8461984151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461984151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230992079 + 4230992080.

It is an arithmetic number, because the mean of its divisors is an integer number (4230992080).

Almost surely, 2^8461984159 is an apocalyptic number.

8461984159 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461984159 is an equidigital number, since it uses as much as digits as its factorization.

8461984159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 55.

The square root of 8461984159 is about 91989.0436899960. The cubic root of 8461984159 is about 2037.7805028344.

The spelling of 8461984159 in words is "eight billion, four hundred sixty-one million, nine hundred eighty-four thousand, one hundred fifty-nine".