73143003533 has 2 divisors, whose sum is σ = 73143003534. Its totient is φ = 73143003532.

The previous prime is 73143003503. The next prime is 73143003541. The reversal of 73143003533 is 33530034137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44938488169 + 28204515364 = 211987^2 + 167942^2 .

It is an emirp because it is prime and its reverse (33530034137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73143003533 - 2²⁴ = 73126226317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73143003533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73143003503) 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 as a sum of consecutive naturals, namely, 36571501766 + 36571501767.

It is an arithmetic number, because the mean of its divisors is an integer number (36571501767).

Almost surely, 2^73143003533 is an apocalyptic number.

It is an amenable number.

73143003533 is a deficient number, since it is larger than the sum of its proper divisors (1).

73143003533 is an equidigital number, since it uses as much as digits as its factorization.

73143003533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 32.

The spelling of 73143003533 in words is "seventy-three billion, one hundred forty-three million, three thousand, five hundred thirty-three".