6807689654 has 4 divisors (see below), whose sum is σ = 10211534484. Its totient is φ = 3403844826.

The previous prime is 6807689653. The next prime is 6807689657. The reversal of 6807689654 is 4569867086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4569867086 = 2 ⋅2284933543.

It is a junction number, because it is equal to n+sod(n) for n = 6807689593 and 6807689602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6807689653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701922412 + ... + 1701922415.

It is an arithmetic number, because the mean of its divisors is an integer number (2552883621).

Almost surely, 2^6807689654 is an apocalyptic number.

6807689654 is a deficient number, since it is larger than the sum of its proper divisors (3403844830).

6807689654 is a wasteful number, since it uses less digits than its factorization.

6807689654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403844829.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The square root of 6807689654 is about 82508.7247144204. The cubic root of 6807689654 is about 1895.2503391749.

The spelling of 6807689654 in words is "six billion, eight hundred seven million, six hundred eighty-nine thousand, six hundred fifty-four".