5913598081 has 4 divisors (see below), whose sum is σ = 5913778500. Its totient is φ = 5913417664.

The previous prime is 5913598049. The next prime is 5913598129. The reversal of 5913598081 is 1808953195.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3554067456 + 2359530625 = 59616^2 + 48575^2 .

It is a cyclic number.

It is not a de Polignac number, because 5913598081 - 2⁵ = 5913598049 is a prime.

It is a super-2 number, since 2×5913598081² = 69941284527213765122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5913598021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25636 + ... + 111733.

It is an arithmetic number, because the mean of its divisors is an integer number (1478444625).

Almost surely, 2^5913598081 is an apocalyptic number.

It is an amenable number.

5913598081 is a deficient number, since it is larger than the sum of its proper divisors (180419).

5913598081 is a wasteful number, since it uses less digits than its factorization.

5913598081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180418.

The product of its (nonzero) digits is 388800, while the sum is 49.

The square root of 5913598081 is about 76899.9225032119. The cubic root of 5913598081 is about 1808.3560137391.

The spelling of 5913598081 in words is "five billion, nine hundred thirteen million, five hundred ninety-eight thousand, eighty-one".