6489912489 has 8 divisors (see below), whose sum is σ = 8762751360. Its totient is φ = 4271840976.

The previous prime is 6489912437. The next prime is 6489912497. The reversal of 6489912489 is 9842199846.

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

It is a de Polignac number, because none of the positive numbers 2^k-6489912489 is a prime.

It is a super-2 number, since 2×6489912489² = 84237928229756350242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489912419) 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, 13691562 + ... + 13692035.

It is an arithmetic number, because the mean of its divisors is an integer number (1095343920).

Almost surely, 2^6489912489 is an apocalyptic number.

It is an amenable number.

6489912489 is a deficient number, since it is larger than the sum of its proper divisors (2272838871).

6489912489 is a wasteful number, since it uses less digits than its factorization.

6489912489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383679.

The product of its digits is 8957952, while the sum is 60.

The square root of 6489912489 is about 80559.9931045181. The cubic root of 6489912489 is about 1865.2896491337.

The spelling of 6489912489 in words is "six billion, four hundred eighty-nine million, nine hundred twelve thousand, four hundred eighty-nine".