8373732869 has 2 divisors, whose sum is σ = 8373732870. Its totient is φ = 8373732868.

The previous prime is 8373732859. The next prime is 8373732883. The reversal of 8373732869 is 9682373738.

8373732869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6443272900 + 1930459969 = 80270^2 + 43937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8373732869 is a prime.

It is a super-2 number, since 2×8373732869² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8373732859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186866434 + 4186866435.

It is an arithmetic number, because the mean of its divisors is an integer number (4186866435).

Almost surely, 2^8373732869 is an apocalyptic number.

It is an amenable number.

8373732869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8373732869 is an equidigital number, since it uses as much as digits as its factorization.

8373732869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 8373732869 is about 91508.1027505215. The cubic root of 8373732869 is about 2030.6716268779.

The spelling of 8373732869 in words is "eight billion, three hundred seventy-three million, seven hundred thirty-two thousand, eight hundred sixty-nine".