6581338424 has 8 divisors (see below), whose sum is σ = 12340009560. Its totient is φ = 3290669208.

The previous prime is 6581338417. The next prime is 6581338451. The reversal of 6581338424 is 4248331856.

It is a tau number, because it is divible by the number of its divisors (8).

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, 411333644 + ... + 411333659.

It is an arithmetic number, because the mean of its divisors is an integer number (1542501195).

Almost surely, 2^6581338424 is an apocalyptic number.

It is an amenable number.

6581338424 is a deficient number, since it is larger than the sum of its proper divisors (5758671136).

6581338424 is a wasteful number, since it uses less digits than its factorization.

6581338424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822667309 (or 822667305 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 6581338424 is about 81125.4486828887. The cubic root of 6581338424 is about 1874.0078590145.

The spelling of 6581338424 in words is "six billion, five hundred eighty-one million, three hundred thirty-eight thousand, four hundred twenty-four".