6544010006 has 4 divisors (see below), whose sum is σ = 9816015012. Its totient is φ = 3272005002.

The previous prime is 6544009981. The next prime is 6544010017. The reversal of 6544010006 is 6000104456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636002500 + ... + 1636002503.

It is an arithmetic number, because the mean of its divisors is an integer number (2454003753).

Almost surely, 2^6544010006 is an apocalyptic number.

6544010006 is a deficient number, since it is larger than the sum of its proper divisors (3272005006).

6544010006 is a wasteful number, since it uses less digits than its factorization.

6544010006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272005005.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6544010006 is about 80895.0555102103. The cubic root of 6544010006 is about 1870.4581037104.

The spelling of 6544010006 in words is "six billion, five hundred forty-four million, ten thousand, six".