6544213006 has 4 divisors (see below), whose sum is σ = 9816319512. Its totient is φ = 3272106502.

The previous prime is 6544213003. The next prime is 6544213021. The reversal of 6544213006 is 6003124456.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636053250 + ... + 1636053253.

It is an arithmetic number, because the mean of its divisors is an integer number (2454079878).

Almost surely, 2^6544213006 is an apocalyptic number.

6544213006 is a deficient number, since it is larger than the sum of its proper divisors (3272106506).

6544213006 is a wasteful number, since it uses less digits than its factorization.

6544213006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272106505.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6544213006 is about 80896.3102125183. The cubic root of 6544213006 is about 1870.4774445055.

The spelling of 6544213006 in words is "six billion, five hundred forty-four million, two hundred thirteen thousand, six".