8570122709 has 4 divisors (see below), whose sum is σ = 8578949760. Its totient is φ = 8561295660.

The previous prime is 8570122681. The next prime is 8570122721. The reversal of 8570122709 is 9072210758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8570122709 - 2¹⁶ = 8570057173 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 (8570122789) 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, 4412069 + ... + 4414010.

It is an arithmetic number, because the mean of its divisors is an integer number (2144737440).

Almost surely, 2^8570122709 is an apocalyptic number.

It is an amenable number.

8570122709 is a deficient number, since it is larger than the sum of its proper divisors (8827051).

8570122709 is an equidigital number, since it uses as much as digits as its factorization.

8570122709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827050.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 8570122709 is about 92574.9572454668. The cubic root of 8570122709 is about 2046.4242809640.

The spelling of 8570122709 in words is "eight billion, five hundred seventy million, one hundred twenty-two thousand, seven hundred nine".