80930305529 has 2 divisors, whose sum is σ = 80930305530. Its totient is φ = 80930305528.

The previous prime is 80930305493. The next prime is 80930305567. The reversal of 80930305529 is 92550303908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73495210000 + 7435095529 = 271100^2 + 86227^2 .

It is a cyclic number.

It is not a de Polignac number, because 80930305529 - 2²⁰ = 80929256953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80930305529.

It is not a weakly prime, because it can be changed into another prime (80930302529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40465152764 + 40465152765.

It is an arithmetic number, because the mean of its divisors is an integer number (40465152765).

Almost surely, 2^80930305529 is an apocalyptic number.

It is an amenable number.

80930305529 is a deficient number, since it is larger than the sum of its proper divisors (1).

80930305529 is an equidigital number, since it uses as much as digits as its factorization.

80930305529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 80930305529 in words is "eighty billion, nine hundred thirty million, three hundred five thousand, five hundred twenty-nine".