6710881669 has 8 divisors (see below), whose sum is σ = 6736698360. Its totient is φ = 6685085376.

The previous prime is 6710881657. The next prime is 6710881687. The reversal of 6710881669 is 9661880176.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3659645025 + 3051236644 = 60495^2 + 55238^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6710881669 - 2⁵ = 6710881637 is a prime.

It is a super-2 number, since 2×6710881669² = 90071865550640451122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6710884669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074247 + ... + 1080475.

It is an arithmetic number, because the mean of its divisors is an integer number (842087295).

Almost surely, 2^6710881669 is an apocalyptic number.

It is an amenable number.

6710881669 is a deficient number, since it is larger than the sum of its proper divisors (25816691).

6710881669 is a wasteful number, since it uses less digits than its factorization.

6710881669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 6710881669 is about 81919.9711242625. The cubic root of 6710881669 is about 1886.2236840575.

The spelling of 6710881669 in words is "six billion, seven hundred ten million, eight hundred eighty-one thousand, six hundred sixty-nine".