2491383559 has 8 divisors (see below), whose sum is σ = 2847893888. Its totient is φ = 2135022840.

The previous prime is 2491383551. The next prime is 2491383571. The reversal of 2491383559 is 9553831942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2491383559 - 2³ = 2491383551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491383551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 70594.

It is an arithmetic number, because the mean of its divisors is an integer number (355986736).

Almost surely, 2^2491383559 is an apocalyptic number.

2491383559 is a deficient number, since it is larger than the sum of its proper divisors (356510329).

2491383559 is an equidigital number, since it uses as much as digits as its factorization.

2491383559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74805.

The product of its digits is 1166400, while the sum is 49.

The square root of 2491383559 is about 49913.7612187260. The cubic root of 2491383559 is about 1355.6477722286.

It can be divided in two parts, 2491383 and 559, that added together give a palindrome (2491942).

The spelling of 2491383559 in words is "two billion, four hundred ninety-one million, three hundred eighty-three thousand, five hundred fifty-nine".