80392912420181 has 2 divisors, whose sum is σ = 80392912420182. Its totient is φ = 80392912420180.

The previous prime is 80392912420127. The next prime is 80392912420259. The reversal of 80392912420181 is 18102421929308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80332231980625 + 60680439556 = 8962825^2 + 246334^2 .

It is a cyclic number.

It is not a de Polignac number, because 80392912420181 - 2¹⁸ = 80392912158037 is a prime.

It is a super-2 number, since 2×80392912420181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80392912428181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40196456210090 + 40196456210091.

It is an arithmetic number, because the mean of its divisors is an integer number (40196456210091).

Almost surely, 2^{80392912420181} is an apocalyptic number.

It is an amenable number.

80392912420181 is a deficient number, since it is larger than the sum of its proper divisors (1).

80392912420181 is an equidigital number, since it uses as much as digits as its factorization.

80392912420181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 80392912420181 in words is "eighty trillion, three hundred ninety-two billion, nine hundred twelve million, four hundred twenty thousand, one hundred eighty-one".