6711908689 has 4 divisors (see below), whose sum is σ = 6713506800. Its totient is φ = 6710310580.

The previous prime is 6711908677. The next prime is 6711908699. The reversal of 6711908689 is 9868091176.

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 a cyclic number.

It is not a de Polignac number, because 6711908689 - 2¹³ = 6711900497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6711908659) 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, 792739 + ... + 801160.

It is an arithmetic number, because the mean of its divisors is an integer number (1678376700).

Almost surely, 2^6711908689 is an apocalyptic number.

It is an amenable number.

6711908689 is a deficient number, since it is larger than the sum of its proper divisors (1598111).

6711908689 is a wasteful number, since it uses less digits than its factorization.

6711908689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598110.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 6711908689 is about 81926.2393192804. The cubic root of 6711908689 is about 1886.3199004580.

The spelling of 6711908689 in words is "six billion, seven hundred eleven million, nine hundred eight thousand, six hundred eighty-nine".