9825164129 has 16 divisors (see below), whose sum is σ = 10829779584. Its totient is φ = 8839238400.

The previous prime is 9825164117. The next prime is 9825164131. The reversal of 9825164129 is 9214615289.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9825164129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9825164159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208259 + ... + 3211319.

It is an arithmetic number, because the mean of its divisors is an integer number (676861224).

Almost surely, 2^9825164129 is an apocalyptic number.

It is an amenable number.

9825164129 is a deficient number, since it is larger than the sum of its proper divisors (1004615455).

9825164129 is a wasteful number, since it uses less digits than its factorization.

9825164129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008.

The product of its digits is 311040, while the sum is 47.

The square root of 9825164129 is about 99121.9659258229. The cubic root of 9825164129 is about 2141.8050488737.

The spelling of 9825164129 in words is "nine billion, eight hundred twenty-five million, one hundred sixty-four thousand, one hundred twenty-nine".