8613324869 has 2 divisors, whose sum is σ = 8613324870. Its totient is φ = 8613324868.

The previous prime is 8613324799. The next prime is 8613324893. The reversal of 8613324869 is 9684233168.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6491524900 + 2121799969 = 80570^2 + 46063^2 .

It is a cyclic number.

It is not a de Polignac number, because 8613324869 - 2⁸ = 8613324613 is a prime.

It is a super-2 number, since 2×8613324869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8613384869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306662434 + 4306662435.

It is an arithmetic number, because the mean of its divisors is an integer number (4306662435).

Almost surely, 2^8613324869 is an apocalyptic number.

It is an amenable number.

8613324869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8613324869 is an equidigital number, since it uses as much as digits as its factorization.

8613324869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 50.

The square root of 8613324869 is about 92808.0000269373. Note that the first 4 decimals coincide. The cubic root of 8613324869 is about 2049.8572075040.

The spelling of 8613324869 in words is "eight billion, six hundred thirteen million, three hundred twenty-four thousand, eight hundred sixty-nine".