5598639905 has 8 divisors (see below), whose sum is σ = 6718795584. Its totient is φ = 4478626800.

The previous prime is 5598639899. The next prime is 5598639973. The reversal of 5598639905 is 5099368955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5598639905 - 2³² = 1303672609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92900 + ... + 140810.

It is an arithmetic number, because the mean of its divisors is an integer number (839849448).

Almost surely, 2^5598639905 is an apocalyptic number.

It is an amenable number.

5598639905 is a deficient number, since it is larger than the sum of its proper divisors (1120155679).

5598639905 is a wasteful number, since it uses less digits than its factorization.

5598639905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71287.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The square root of 5598639905 is about 74824.0596666607. The cubic root of 5598639905 is about 1775.6642259169.

The spelling of 5598639905 in words is "five billion, five hundred ninety-eight million, six hundred thirty-nine thousand, nine hundred five".