73143003541 has 2 divisors, whose sum is σ = 73143003542. Its totient is φ = 73143003540.

The previous prime is 73143003533. The next prime is 73143003629. The reversal of 73143003541 is 14530034137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52016381041 + 21126622500 = 228071^2 + 145350^2 .

It is a cyclic number.

It is not a de Polignac number, because 73143003541 - 2³ = 73143003533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73143003641) 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, 36571501770 + 36571501771.

It is an arithmetic number, because the mean of its divisors is an integer number (36571501771).

Almost surely, 2^73143003541 is an apocalyptic number.

It is an amenable number.

73143003541 is a deficient number, since it is larger than the sum of its proper divisors (1).

73143003541 is an equidigital number, since it uses as much as digits as its factorization.

73143003541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 73143003541 its reverse (14530034137), we get a palindrome (87673037678).

The spelling of 73143003541 in words is "seventy-three billion, one hundred forty-three million, three thousand, five hundred forty-one".