73229823913 has 4 divisors (see below), whose sum is σ = 73230365188. Its totient is φ = 73229282640.

The previous prime is 73229823911. The next prime is 73229823977. The reversal of 73229823913 is 31932892237.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32872228249 + 40357595664 = 181307^2 + 200892^2 .

It is a cyclic number.

It is not a de Polignac number, because 73229823913 - 2¹ = 73229823911 is a prime.

It is a super-2 number, since 2×73229823913² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73229823911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129595 + ... + 404047.

It is an arithmetic number, because the mean of its divisors is an integer number (18307591297).

Almost surely, 2^73229823913 is an apocalyptic number.

It is an amenable number.

73229823913 is a deficient number, since it is larger than the sum of its proper divisors (541275).

73229823913 is a wasteful number, since it uses less digits than its factorization.

73229823913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541274.

The product of its digits is 979776, while the sum is 49.

The spelling of 73229823913 in words is "seventy-three billion, two hundred twenty-nine million, eight hundred twenty-three thousand, nine hundred thirteen".