8129097243 has 12 divisors (see below), whose sum is σ = 11812343088. Its totient is φ = 5386945680.

The previous prime is 8129097191. The next prime is 8129097269. The reversal of 8129097243 is 3427909218.

It is not a de Polignac number, because 8129097243 - 2¹⁰ = 8129096219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8129097283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702788 + ... + 2705793.

It is an arithmetic number, because the mean of its divisors is an integer number (984361924).

Almost surely, 2^8129097243 is an apocalyptic number.

8129097243 is a deficient number, since it is larger than the sum of its proper divisors (3683245845).

8129097243 is a wasteful number, since it uses less digits than its factorization.

8129097243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408754 (or 5408751 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 8129097243 is about 90161.5064370599. The cubic root of 8129097243 is about 2010.7007484661.

The spelling of 8129097243 in words is "eight billion, one hundred twenty-nine million, ninety-seven thousand, two hundred forty-three".