5598081637 has 4 divisors (see below), whose sum is σ = 5618291596. Its totient is φ = 5577871680.

The previous prime is 5598081571. The next prime is 5598081653. The reversal of 5598081637 is 7361808955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7361808955 = 5 ⋅1472361791.

It can be written as a sum of positive squares in 2 ways, for example, as 387263041 + 5210818596 = 19679^2 + 72186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5598081637 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 (5598081667) 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 in 3 ways as a sum of consecutive naturals, for example, 10104564 + ... + 10105117.

It is an arithmetic number, because the mean of its divisors is an integer number (1404572899).

Almost surely, 2^5598081637 is an apocalyptic number.

It is an amenable number.

5598081637 is a deficient number, since it is larger than the sum of its proper divisors (20209959).

5598081637 is a wasteful number, since it uses less digits than its factorization.

5598081637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20209958.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 5598081637 is about 74820.3290356304. The cubic root of 5598081637 is about 1775.6052038756.

The spelling of 5598081637 in words is "five billion, five hundred ninety-eight million, eighty-one thousand, six hundred thirty-seven".