8501916769 has 2 divisors, whose sum is σ = 8501916770. Its totient is φ = 8501916768.

The previous prime is 8501916763. The next prime is 8501916781. The reversal of 8501916769 is 9676191058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6227103744 + 2274813025 = 78912^2 + 47695^2 .

It is a cyclic number.

It is not a de Polignac number, because 8501916769 - 2⁵ = 8501916737 is a prime.

It is a super-2 number, since 2×8501916769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8501916763) 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, 4250958384 + 4250958385.

It is an arithmetic number, because the mean of its divisors is an integer number (4250958385).

Almost surely, 2^8501916769 is an apocalyptic number.

It is an amenable number.

8501916769 is a deficient number, since it is larger than the sum of its proper divisors (1).

8501916769 is an equidigital number, since it uses as much as digits as its factorization.

8501916769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 8501916769 is about 92205.8391263807. The cubic root of 8501916769 is about 2040.9809431540.

The spelling of 8501916769 in words is "eight billion, five hundred one million, nine hundred sixteen thousand, seven hundred sixty-nine".