6506489597389 has 8 divisors (see below), whose sum is σ = 6665272108992. Its totient is φ = 6347711259360.

The previous prime is 6506489597327. The next prime is 6506489597401. The reversal of 6506489597389 is 9837959846056.

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 6506489597389 - 2⁹ = 6506489596877 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 (6506489097389) 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, 2236912 + ... + 4244614.

It is an arithmetic number, because the mean of its divisors is an integer number (833159013624).

Almost surely, 2^{6506489597389} is an apocalyptic number.

It is an amenable number.

6506489597389 is a deficient number, since it is larger than the sum of its proper divisors (158782511603).

6506489597389 is a wasteful number, since it uses less digits than its factorization.

6506489597389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086787.

The product of its (nonzero) digits is 3527193600, while the sum is 79.

The spelling of 6506489597389 in words is "six trillion, five hundred six billion, four hundred eighty-nine million, five hundred ninety-seven thousand, three hundred eighty-nine".