6711982571 has 4 divisors (see below), whose sum is σ = 7670837232. Its totient is φ = 5753127912.

The previous prime is 6711982559. The next prime is 6711982597. The reversal of 6711982571 is 1752891176.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6711982571 - 2⁶ = 6711982507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6711982171) 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, 479427320 + ... + 479427333.

It is an arithmetic number, because the mean of its divisors is an integer number (1917709308).

Almost surely, 2^6711982571 is an apocalyptic number.

6711982571 is a deficient number, since it is larger than the sum of its proper divisors (958854661).

6711982571 is an equidigital number, since it uses as much as digits as its factorization.

6711982571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958854660.

The product of its digits is 211680, while the sum is 47.

The square root of 6711982571 is about 81926.6902236384. The cubic root of 6711982571 is about 1886.3268217170.

The spelling of 6711982571 in words is "six billion, seven hundred eleven million, nine hundred eighty-two thousand, five hundred seventy-one".