6711645812 has 24 divisors (see below), whose sum is σ = 11842639200. Its totient is φ = 3328135776.

The previous prime is 6711645799. The next prime is 6711645817. The reversal of 6711645812 is 2185461176.

It is a self number, because there is not a number n which added to its sum of digits gives 6711645812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6711645817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258998 + ... + 283730.

It is an arithmetic number, because the mean of its divisors is an integer number (493443300).

Almost surely, 2^6711645812 is an apocalyptic number.

It is an amenable number.

6711645812 is a deficient number, since it is larger than the sum of its proper divisors (5130993388).

6711645812 is a wasteful number, since it uses less digits than its factorization.

6711645812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25295 (or 25293 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 6711645812 is about 81924.6349518873. The cubic root of 6711645812 is about 1886.2952737528.

The spelling of 6711645812 in words is "six billion, seven hundred eleven million, six hundred forty-five thousand, eight hundred twelve".