6711064409 has 4 divisors (see below), whose sum is σ = 7669787904. Its totient is φ = 5752340916.

The previous prime is 6711064363. The next prime is 6711064417. The reversal of 6711064409 is 9044601176.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6711064409 - 2²⁰ = 6710015833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6711064489) 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, 479361737 + ... + 479361750.

It is an arithmetic number, because the mean of its divisors is an integer number (1917446976).

Almost surely, 2^6711064409 is an apocalyptic number.

It is an amenable number.

6711064409 is a deficient number, since it is larger than the sum of its proper divisors (958723495).

6711064409 is an equidigital number, since it uses as much as digits as its factorization.

6711064409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958723494.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6711064409 is about 81921.0864735082. The cubic root of 6711064409 is about 1886.2408047780.

The spelling of 6711064409 in words is "six billion, seven hundred eleven million, sixty-four thousand, four hundred nine".