8080081069 has 2 divisors, whose sum is σ = 8080081070. Its totient is φ = 8080081068.

The previous prime is 8080081043. The next prime is 8080081091. The reversal of 8080081069 is 9601800808.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7746288169 + 333792900 = 88013^2 + 18270^2 .

It is a cyclic number.

It is not a de Polignac number, because 8080081069 - 2¹³ = 8080072877 is a prime.

It is a super-2 number, since 2×8080081069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8080051069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040040534 + 4040040535.

It is an arithmetic number, because the mean of its divisors is an integer number (4040040535).

Almost surely, 2^8080081069 is an apocalyptic number.

It is an amenable number.

8080081069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8080081069 is an equidigital number, since it uses as much as digits as its factorization.

8080081069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 8080081069 is about 89889.2711562398. The cubic root of 8080081069 is about 2006.6512781454.

The spelling of 8080081069 in words is "eight billion, eighty million, eighty-one thousand, sixty-nine".