5591845659 has 4 divisors (see below), whose sum is σ = 7455794216. Its totient is φ = 3727897104.

The previous prime is 5591845601. The next prime is 5591845723. The reversal of 5591845659 is 9565481955.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5591845659 - 2⁷ = 5591845531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5591845599 and 5591845608.

It is not an unprimeable number, because it can be changed into a prime (5591845459) 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 in 3 ways as a sum of consecutive naturals, for example, 931974274 + ... + 931974279.

It is an arithmetic number, because the mean of its divisors is an integer number (1863948554).

Almost surely, 2^5591845659 is an apocalyptic number.

5591845659 is a deficient number, since it is larger than the sum of its proper divisors (1863948557).

5591845659 is a wasteful number, since it uses less digits than its factorization.

5591845659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863948556.

The product of its digits is 9720000, while the sum is 57.

The square root of 5591845659 is about 74778.6444046694. The cubic root of 5591845659 is about 1774.9456476381.

The spelling of 5591845659 in words is "five billion, five hundred ninety-one million, eight hundred forty-five thousand, six hundred fifty-nine".