5598861845 has 18 divisors (see below), whose sum is σ = 6802997922. Its totient is φ = 4423540896.

The previous prime is 5598861823. The next prime is 5598861893. The reversal of 5598861845 is 5481688955.

It can be written as a sum of positive squares in 3 ways, for example, as 1402802116 + 4196059729 = 37454^2 + 64777^2 .

It is not a de Polignac number, because 5598861845 - 2¹² = 5598857749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 18237182 + ... + 18237488.

It is an arithmetic number, because the mean of its divisors is an integer number (377944329).

Almost surely, 2^5598861845 is an apocalyptic number.

It is an amenable number.

5598861845 is a deficient number, since it is larger than the sum of its proper divisors (1204136077).

5598861845 is an frugal number, since it uses more digits than its factorization.

5598861845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 421 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 59.

The square root of 5598861845 is about 74825.5427310755. The cubic root of 5598861845 is about 1775.6876890982.

The spelling of 5598861845 in words is "five billion, five hundred ninety-eight million, eight hundred sixty-one thousand, eight hundred forty-five".