5998335591 has 4 divisors (see below), whose sum is σ = 7997780792. Its totient is φ = 3998890392.

The previous prime is 5998335589. The next prime is 5998335593. The reversal of 5998335591 is 1955338995.

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

It is an interprime number because it is at equal distance from previous prime (5998335589) and next prime (5998335593).

It is not a de Polignac number, because 5998335591 - 2¹ = 5998335589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5998335593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999722596 + ... + 999722601.

It is an arithmetic number, because the mean of its divisors is an integer number (1999445198).

Almost surely, 2^5998335591 is an apocalyptic number.

5998335591 is a deficient number, since it is larger than the sum of its proper divisors (1999445201).

5998335591 is a wasteful number, since it uses less digits than its factorization.

5998335591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999445200.

The product of its digits is 6561000, while the sum is 57.

The square root of 5998335591 is about 77448.9224650673. The cubic root of 5998335591 is about 1816.9525533003.

The spelling of 5998335591 in words is "five billion, nine hundred ninety-eight million, three hundred thirty-five thousand, five hundred ninety-one".