8199734429 has 2 divisors, whose sum is σ = 8199734430. Its totient is φ = 8199734428.

The previous prime is 8199734399. The next prime is 8199734437. The reversal of 8199734429 is 9244379918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4771631929 + 3428102500 = 69077^2 + 58550^2 .

It is a cyclic number.

It is not a de Polignac number, because 8199734429 - 2⁸ = 8199734173 is a prime.

It is a super-2 number, since 2×8199734429² (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 (8199734929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099867214 + 4099867215.

It is an arithmetic number, because the mean of its divisors is an integer number (4099867215).

Almost surely, 2^8199734429 is an apocalyptic number.

It is an amenable number.

8199734429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8199734429 is an equidigital number, since it uses as much as digits as its factorization.

8199734429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 8199734429 is about 90552.3849989607. The cubic root of 8199734429 is about 2016.5079053976.

The spelling of 8199734429 in words is "eight billion, one hundred ninety-nine million, seven hundred thirty-four thousand, four hundred twenty-nine".