9673220129 has 4 divisors (see below), whose sum is σ = 9985259520. Its totient is φ = 9361180740.

The previous prime is 9673220059. The next prime is 9673220153. The reversal of 9673220129 is 9210223769.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9673220129 - 2³² = 5378252833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9673220329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156019649 + ... + 156019710.

It is an arithmetic number, because the mean of its divisors is an integer number (2496314880).

Almost surely, 2^9673220129 is an apocalyptic number.

It is an amenable number.

9673220129 is a deficient number, since it is larger than the sum of its proper divisors (312039391).

9673220129 is a wasteful number, since it uses less digits than its factorization.

9673220129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312039390.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 9673220129 is about 98352.5298556168. The cubic root of 9673220129 is about 2130.7067921921.

The spelling of 9673220129 in words is "nine billion, six hundred seventy-three million, two hundred twenty thousand, one hundred twenty-nine".