8092721169 has 12 divisors (see below), whose sum is σ = 12588677556. Its totient is φ = 4980136032.

The previous prime is 8092721149. The next prime is 8092721173. The reversal of 8092721169 is 9611272908.

It can be written as a sum of positive squares in 2 ways, for example, as 4206819600 + 3885901569 = 64860^2 + 62337^2 .

It is not a de Polignac number, because 8092721169 - 2⁵ = 8092721137 is a prime.

It is a super-2 number, since 2×8092721169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8092721149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34584162 + ... + 34584395.

It is an arithmetic number, because the mean of its divisors is an integer number (1049056463).

Almost surely, 2^8092721169 is an apocalyptic number.

It is an amenable number.

8092721169 is a deficient number, since it is larger than the sum of its proper divisors (4495956387).

8092721169 is a wasteful number, since it uses less digits than its factorization.

8092721169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69168576 (or 69168573 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 8092721169 is about 89959.5529613170. The cubic root of 8092721169 is about 2007.6971033816.

The spelling of 8092721169 in words is "eight billion, ninety-two million, seven hundred twenty-one thousand, one hundred sixty-nine".