6489713 has 4 divisors (see below), whose sum is σ = 6627840. Its totient is φ = 6351588.

The previous prime is 6489709. The next prime is 6489719. The reversal of 6489713 is 3179846.

6489713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3179846 = 2 ⋅1589923.

It is a cyclic number.

It is not a de Polignac number, because 6489713 - 2² = 6489709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489719) 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, 68993 + ... + 69086.

It is an arithmetic number, because the mean of its divisors is an integer number (1656960).

Almost surely, 2^6489713 is an apocalyptic number.

It is an amenable number.

6489713 is a deficient number, since it is larger than the sum of its proper divisors (138127).

6489713 is a wasteful number, since it uses less digits than its factorization.

6489713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138126.

The product of its digits is 36288, while the sum is 38.

The square root of 6489713 is about 2547.4915112714. The cubic root of 6489713 is about 186.5270536982.

The spelling of 6489713 in words is "six million, four hundred eighty-nine thousand, seven hundred thirteen".