5128320889 has 8 divisors (see below), whose sum is σ = 5168692800. Its totient is φ = 5088028656.

The previous prime is 5128320851. The next prime is 5128320919. The reversal of 5128320889 is 9880238215.

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

It is a cyclic number.

It is not a de Polignac number, because 5128320889 - 2¹¹ = 5128318841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128320809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112762 + ... + 151564.

It is an arithmetic number, because the mean of its divisors is an integer number (646086600).

Almost surely, 2^5128320889 is an apocalyptic number.

It is an amenable number.

5128320889 is a deficient number, since it is larger than the sum of its proper divisors (40371911).

5128320889 is a wasteful number, since it uses less digits than its factorization.

5128320889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39839.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 5128320889 is about 71612.2956551457. The cubic root of 5128320889 is about 1724.4809348004.

The spelling of 5128320889 in words is "five billion, one hundred twenty-eight million, three hundred twenty thousand, eight hundred eighty-nine".