6489328406 has 8 divisors (see below), whose sum is σ = 10618901064. Its totient is φ = 2949694720.

The previous prime is 6489328397. The next prime is 6489328411. The reversal of 6489328406 is 6048239846.

It is a happy number.

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

It is a super-2 number, since 2×6489328406² = 84222766321837001672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147484715 + ... + 147484758.

It is an arithmetic number, because the mean of its divisors is an integer number (1327362633).

Almost surely, 2^6489328406 is an apocalyptic number.

6489328406 is a deficient number, since it is larger than the sum of its proper divisors (4129572658).

6489328406 is a wasteful number, since it uses less digits than its factorization.

6489328406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294969486.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 6489328406 is about 80556.3678798889. The cubic root of 6489328406 is about 1865.2336896395.

The spelling of 6489328406 in words is "six billion, four hundred eighty-nine million, three hundred twenty-eight thousand, four hundred six".