80755440267269 has 2 divisors, whose sum is σ = 80755440267270. Its totient is φ = 80755440267268.

The previous prime is 80755440267221. The next prime is 80755440267323. The reversal of 80755440267269 is 96276204455708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59903157322369 + 20852282944900 = 7739713^2 + 4566430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80755440267269 is a prime.

It is a super-2 number, since 2×80755440267269² (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 (80755440260269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40377720133634 + 40377720133635.

It is an arithmetic number, because the mean of its divisors is an integer number (40377720133635).

Almost surely, 2^{80755440267269} is an apocalyptic number.

It is an amenable number.

80755440267269 is a deficient number, since it is larger than the sum of its proper divisors (1).

80755440267269 is an equidigital number, since it uses as much as digits as its factorization.

80755440267269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 203212800, while the sum is 65.

The spelling of 80755440267269 in words is "eighty trillion, seven hundred fifty-five billion, four hundred forty million, two hundred sixty-seven thousand, two hundred sixty-nine".