8349729655 has 4 divisors (see below), whose sum is σ = 10019675592. Its totient is φ = 6679783720.

The previous prime is 8349729649. The next prime is 8349729659. The reversal of 8349729655 is 5569279438.

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

It is not a de Polignac number, because 8349729655 - 2⁵ = 8349729623 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8349729655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8349729659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834972961 + ... + 834972970.

It is an arithmetic number, because the mean of its divisors is an integer number (2504918898).

Almost surely, 2^8349729655 is an apocalyptic number.

8349729655 is a deficient number, since it is larger than the sum of its proper divisors (1669945937).

8349729655 is a wasteful number, since it uses less digits than its factorization.

8349729655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669945936.

The product of its digits is 16329600, while the sum is 58.

The square root of 8349729655 is about 91376.8551384868. The cubic root of 8349729655 is about 2028.7294706091.

The spelling of 8349729655 in words is "eight billion, three hundred forty-nine million, seven hundred twenty-nine thousand, six hundred fifty-five".