9669849029 has 2 divisors, whose sum is σ = 9669849030. Its totient is φ = 9669849028.

The previous prime is 9669849023. The next prime is 9669849031. The reversal of 9669849029 is 9209489669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7425268900 + 2244580129 = 86170^2 + 47377^2 .

It is an emirp because it is prime and its reverse (9209489669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9669849029 is a prime.

Together with 9669849031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9669849023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834924514 + 4834924515.

It is an arithmetic number, because the mean of its divisors is an integer number (4834924515).

Almost surely, 2^9669849029 is an apocalyptic number.

It is an amenable number.

9669849029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9669849029 is an equidigital number, since it uses as much as digits as its factorization.

9669849029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15116544, while the sum is 62.

The square root of 9669849029 is about 98335.3905214191. The cubic root of 9669849029 is about 2130.4592475919.

The spelling of 9669849029 in words is "nine billion, six hundred sixty-nine million, eight hundred forty-nine thousand, twenty-nine".