6497689285 has 8 divisors (see below), whose sum is σ = 7797800736. Its totient is φ = 5197769040.

The previous prime is 6497689243. The next prime is 6497689291. The reversal of 6497689285 is 5829867946.

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

It is not a de Polignac number, because 6497689285 - 2¹⁹ = 6497164997 is a prime.

It is a super-2 number, since 2×6497689285² = 84439932088807622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42462 + ... + 121648.

It is an arithmetic number, because the mean of its divisors is an integer number (974725092).

Almost surely, 2^6497689285 is an apocalyptic number.

It is an amenable number.

6497689285 is a deficient number, since it is larger than the sum of its proper divisors (1300111451).

6497689285 is a wasteful number, since it uses less digits than its factorization.

6497689285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95603.

The product of its digits is 52254720, while the sum is 64.

The square root of 6497689285 is about 80608.2457630731. The cubic root of 6497689285 is about 1866.0344042615.

The spelling of 6497689285 in words is "six billion, four hundred ninety-seven million, six hundred eighty-nine thousand, two hundred eighty-five".