6709917871 has 2 divisors, whose sum is σ = 6709917872. Its totient is φ = 6709917870.

The previous prime is 6709917821. The next prime is 6709917899. The reversal of 6709917871 is 1787199076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6709917871 - 2¹⁵ = 6709885103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6709917821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354958935 + 3354958936.

It is an arithmetic number, because the mean of its divisors is an integer number (3354958936).

Almost surely, 2^6709917871 is an apocalyptic number.

6709917871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6709917871 is an equidigital number, since it uses as much as digits as its factorization.

6709917871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 55.

The square root of 6709917871 is about 81914.0883548123. The cubic root of 6709917871 is about 1886.1333816829.

The spelling of 6709917871 in words is "six billion, seven hundred nine million, nine hundred seventeen thousand, eight hundred seventy-one".