6711573644 has 24 divisors (see below), whose sum is σ = 12043637760. Its totient is φ = 3270862224.

The previous prime is 6711573643. The next prime is 6711573677. The reversal of 6711573644 is 4463751176.

It is a junction number, because it is equal to n+sod(n) for n = 6711573595 and 6711573604.

It is not an unprimeable number, because it can be changed into a prime (6711573643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41657 + ... + 123119.

It is an arithmetic number, because the mean of its divisors is an integer number (501818240).

Almost surely, 2^6711573644 is an apocalyptic number.

It is an amenable number.

6711573644 is a deficient number, since it is larger than the sum of its proper divisors (5332064116).

6711573644 is a wasteful number, since it uses less digits than its factorization.

6711573644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81989 (or 81987 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 6711573644 is about 81924.1944971081. The cubic root of 6711573644 is about 1886.2885128356.

The spelling of 6711573644 in words is "six billion, seven hundred eleven million, five hundred seventy-three thousand, six hundred forty-four".