73030017539 has 2 divisors, whose sum is σ = 73030017540. Its totient is φ = 73030017538.

The previous prime is 73030017523. The next prime is 73030017569. The reversal of 73030017539 is 93571003037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73030017539 - 2⁴ = 73030017523 is a prime.

It is not a weakly prime, because it can be changed into another prime (73030017569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36515008769 + 36515008770.

It is an arithmetic number, because the mean of its divisors is an integer number (36515008770).

Almost surely, 2^73030017539 is an apocalyptic number.

73030017539 is a deficient number, since it is larger than the sum of its proper divisors (1).

73030017539 is an equidigital number, since it uses as much as digits as its factorization.

73030017539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 38.

The spelling of 73030017539 in words is "seventy-three billion, thirty million, seventeen thousand, five hundred thirty-nine".