6768621695 has 16 divisors (see below), whose sum is σ = 8863173792. Its totient is φ = 4921282560.

The previous prime is 6768621683. The next prime is 6768621703. The reversal of 6768621695 is 5961268676.

It is a happy number.

It is not a de Polignac number, because 6768621695 - 2⁸ = 6768621439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6768621695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213599 + ... + 243231.

It is an arithmetic number, because the mean of its divisors is an integer number (553948362).

Almost surely, 2^6768621695 is an apocalyptic number.

6768621695 is a deficient number, since it is larger than the sum of its proper divisors (2094552097).

6768621695 is a wasteful number, since it uses less digits than its factorization.

6768621695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33802.

The product of its digits is 6531840, while the sum is 56.

The square root of 6768621695 is about 82271.6335987076. The cubic root of 6768621695 is about 1891.6178950814.

The spelling of 6768621695 in words is "six billion, seven hundred sixty-eight million, six hundred twenty-one thousand, six hundred ninety-five".