80073521539169 has 2 divisors, whose sum is σ = 80073521539170. Its totient is φ = 80073521539168.

The previous prime is 80073521539159. The next prime is 80073521539211. The reversal of 80073521539169 is 96193512537008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41091792242944 + 38981729296225 = 6410288^2 + 6243535^2 .

It is a cyclic number.

It is not a de Polignac number, because 80073521539169 - 2²⁴ = 80073504761953 is a prime.

It is a super-2 number, since 2×80073521539169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80073521539159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40036760769584 + 40036760769585.

It is an arithmetic number, because the mean of its divisors is an integer number (40036760769585).

Almost surely, 2^{80073521539169} is an apocalyptic number.

It is an amenable number.

80073521539169 is a deficient number, since it is larger than the sum of its proper divisors (1).

80073521539169 is an equidigital number, since it uses as much as digits as its factorization.

80073521539169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 80073521539169 in words is "eighty trillion, seventy-three billion, five hundred twenty-one million, five hundred thirty-nine thousand, one hundred sixty-nine".