4491867559 has 2 divisors, whose sum is σ = 4491867560. Its totient is φ = 4491867558.

The previous prime is 4491867529. The next prime is 4491867563. The reversal of 4491867559 is 9557681944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4491867559 - 2¹³ = 4491859367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4491867529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245933779 + 2245933780.

It is an arithmetic number, because the mean of its divisors is an integer number (2245933780).

Almost surely, 2^4491867559 is an apocalyptic number.

4491867559 is a deficient number, since it is larger than the sum of its proper divisors (1).

4491867559 is an equidigital number, since it uses as much as digits as its factorization.

4491867559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 58.

The square root of 4491867559 is about 67021.3962776068. The cubic root of 4491867559 is about 1649.9684792264.

The spelling of 4491867559 in words is "four billion, four hundred ninety-one million, eight hundred sixty-seven thousand, five hundred fifty-nine".