80541946073 has 2 divisors, whose sum is σ = 80541946074. Its totient is φ = 80541946072.

The previous prime is 80541946039. The next prime is 80541946099. The reversal of 80541946073 is 37064914508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77424175504 + 3117770569 = 278252^2 + 55837^2 .

It is a cyclic number.

It is not a de Polignac number, because 80541946073 - 2¹⁰ = 80541945049 is a prime.

It is a super-4 number, since 4×80541946073⁴ (a number of 45 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (80541946033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40270973036 + 40270973037.

It is an arithmetic number, because the mean of its divisors is an integer number (40270973037).

Almost surely, 2^80541946073 is an apocalyptic number.

It is an amenable number.

80541946073 is a deficient number, since it is larger than the sum of its proper divisors (1).

80541946073 is an equidigital number, since it uses as much as digits as its factorization.

80541946073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 80541946073 in words is "eighty billion, five hundred forty-one million, nine hundred forty-six thousand, seventy-three".