8009966429 has 2 divisors, whose sum is σ = 8009966430. Its totient is φ = 8009966428.

The previous prime is 8009966417. The next prime is 8009966521. The reversal of 8009966429 is 9246699008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5944718404 + 2065248025 = 77102^2 + 45445^2 .

It is a cyclic number.

It is not a de Polignac number, because 8009966429 - 2¹⁶ = 8009900893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8009966929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004983214 + 4004983215.

It is an arithmetic number, because the mean of its divisors is an integer number (4004983215).

Almost surely, 2^8009966429 is an apocalyptic number.

It is an amenable number.

8009966429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8009966429 is an equidigital number, since it uses as much as digits as its factorization.

8009966429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 8009966429 is about 89498.4157904485. The cubic root of 8009966429 is about 2000.8301910937.

The spelling of 8009966429 in words is "eight billion, nine million, nine hundred sixty-six thousand, four hundred twenty-nine".