80267443541 has 2 divisors, whose sum is σ = 80267443542. Its totient is φ = 80267443540.

The previous prime is 80267443513. The next prime is 80267443583. The reversal of 80267443541 is 14534476208.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46541590225 + 33725853316 = 215735^2 + 183646^2 .

It is a cyclic number.

It is not a de Polignac number, because 80267443541 - 2²⁶ = 80200334677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80267443492 and 80267443501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80267443141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40133721770 + 40133721771.

It is an arithmetic number, because the mean of its divisors is an integer number (40133721771).

Almost surely, 2^80267443541 is an apocalyptic number.

It is an amenable number.

80267443541 is a deficient number, since it is larger than the sum of its proper divisors (1).

80267443541 is an equidigital number, since it uses as much as digits as its factorization.

80267443541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 80267443541 in words is "eighty billion, two hundred sixty-seven million, four hundred forty-three thousand, five hundred forty-one".