6544213004 has 12 divisors (see below), whose sum is σ = 13088426064. Its totient is φ = 2804662704.

The previous prime is 6544213003. The next prime is 6544213021. The reversal of 6544213004 is 4003124456.

6544213004 is an admirable number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116860919 + ... + 116860974.

It is an arithmetic number, because the mean of its divisors is an integer number (1090702172).

Almost surely, 2^6544213004 is an apocalyptic number.

It is an amenable number.

6544213004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6544213004 is a wasteful number, since it uses less digits than its factorization.

6544213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233721904 (or 233721902 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6544213004 is about 80896.3102001568. The cubic root of 6544213004 is about 1870.4774443149.

The spelling of 6544213004 in words is "six billion, five hundred forty-four million, two hundred thirteen thousand, four".