73091022809 has 16 divisors (see below), whose sum is σ = 84191327616. Its totient is φ = 62155641600.

The previous prime is 73091022787. The next prime is 73091022853. The reversal of 73091022809 is 90822019037.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73091022809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73091022869) 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 in 15 ways as a sum of consecutive naturals, for example, 5055539 + ... + 5069975.

It is an arithmetic number, because the mean of its divisors is an integer number (5261957976).

Almost surely, 2^73091022809 is an apocalyptic number.

It is an amenable number.

73091022809 is a deficient number, since it is larger than the sum of its proper divisors (11100304807).

73091022809 is a wasteful number, since it uses less digits than its factorization.

73091022809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 73091022809 in words is "seventy-three billion, ninety-one million, twenty-two thousand, eight hundred nine".