73143003503 has 2 divisors, whose sum is σ = 73143003504. Its totient is φ = 73143003502.

The previous prime is 73143003487. The next prime is 73143003533. The reversal of 73143003503 is 30530034137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73143003503 - 2⁴ = 73143003487 is a prime.

It is a super-2 number, since 2×73143003503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73143003533) 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 as a sum of consecutive naturals, namely, 36571501751 + 36571501752.

It is an arithmetic number, because the mean of its divisors is an integer number (36571501752).

Almost surely, 2^73143003503 is an apocalyptic number.

73143003503 is a deficient number, since it is larger than the sum of its proper divisors (1).

73143003503 is an equidigital number, since it uses as much as digits as its factorization.

73143003503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 29.

The spelling of 73143003503 in words is "seventy-three billion, one hundred forty-three million, three thousand, five hundred three".