5509658139 has 4 divisors (see below), whose sum is σ = 7346210856. Its totient is φ = 3673105424.

The previous prime is 5509658111. The next prime is 5509658173. The reversal of 5509658139 is 9318569055.

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

It is a cyclic number.

It is not a de Polignac number, because 5509658139 - 2⁵ = 5509658107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5509658091 and 5509658100.

It is not an unprimeable number, because it can be changed into a prime (5509658039) 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, 918276354 + ... + 918276359.

It is an arithmetic number, because the mean of its divisors is an integer number (1836552714).

Almost surely, 2^5509658139 is an apocalyptic number.

5509658139 is a deficient number, since it is larger than the sum of its proper divisors (1836552717).

5509658139 is a wasteful number, since it uses less digits than its factorization.

5509658139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836552716.

The product of its (nonzero) digits is 1458000, while the sum is 51.

The square root of 5509658139 is about 74227.0714699159. The cubic root of 5509658139 is about 1766.2067936093.

The spelling of 5509658139 in words is "five billion, five hundred nine million, six hundred fifty-eight thousand, one hundred thirty-nine".