6489628610 has 8 divisors (see below), whose sum is σ = 11681331516. Its totient is φ = 2595851440.

The previous prime is 6489628597. The next prime is 6489628627. The reversal of 6489628610 is 168269846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5894707729 + 594920881 = 76777^2 + 24391^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324481421 + ... + 324481440.

Almost surely, 2^6489628610 is an apocalyptic number.

6489628610 is a deficient number, since it is larger than the sum of its proper divisors (5191702906).

6489628610 is a wasteful number, since it uses less digits than its factorization.

6489628610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648962868.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 6489628610 is about 80558.2311747223. The cubic root of 6489628610 is about 1865.2624518342.

The spelling of 6489628610 in words is "six billion, four hundred eighty-nine million, six hundred twenty-eight thousand, six hundred ten".