6729677797 has 4 divisors (see below), whose sum is σ = 6763838796. Its totient is φ = 6695516800.

The previous prime is 6729677789. The next prime is 6729677831. The reversal of 6729677797 is 7977769276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6221896641 + 507781156 = 78879^2 + 22534^2 .

It is a cyclic number.

It is not a de Polignac number, because 6729677797 - 2³ = 6729677789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729677707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17080204 + ... + 17080597.

It is an arithmetic number, because the mean of its divisors is an integer number (1690959699).

Almost surely, 2^6729677797 is an apocalyptic number.

It is an amenable number.

6729677797 is a deficient number, since it is larger than the sum of its proper divisors (34160999).

6729677797 is a wasteful number, since it uses less digits than its factorization.

6729677797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34160998.

The product of its digits is 98018424, while the sum is 67.

The square root of 6729677797 is about 82034.6134079999. The cubic root of 6729677797 is about 1887.9830481704.

The spelling of 6729677797 in words is "six billion, seven hundred twenty-nine million, six hundred seventy-seven thousand, seven hundred ninety-seven".