6709684551 has 16 divisors (see below), whose sum is σ = 9152029920. Its totient is φ = 4371356160.

The previous prime is 6709684537. The next prime is 6709684589. The reversal of 6709684551 is 1554869076.

It is not a de Polignac number, because 6709684551 - 2¹⁰ = 6709683527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6709684494 and 6709684503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709685551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116670 + ... + 164411.

It is an arithmetic number, because the mean of its divisors is an integer number (572001870).

Almost surely, 2^6709684551 is an apocalyptic number.

6709684551 is a deficient number, since it is larger than the sum of its proper divisors (2442345369).

6709684551 is a wasteful number, since it uses less digits than its factorization.

6709684551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281266.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 6709684551 is about 81912.6641673923. The cubic root of 6709684551 is about 1886.1115196299. Note that the first 3 decimals are identical.

The spelling of 6709684551 in words is "six billion, seven hundred nine million, six hundred eighty-four thousand, five hundred fifty-one".