8091469669 has 2 divisors, whose sum is σ = 8091469670. Its totient is φ = 8091469668.

The previous prime is 8091469649. The next prime is 8091469691. The reversal of 8091469669 is 9669641908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7527644644 + 563825025 = 86762^2 + 23745^2 .

It is a cyclic number.

It is not a de Polignac number, because 8091469669 - 2¹⁷ = 8091338597 is a prime.

It is a super-2 number, since 2×8091469669² (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 (8091469649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045734834 + 4045734835.

It is an arithmetic number, because the mean of its divisors is an integer number (4045734835).

Almost surely, 2^8091469669 is an apocalyptic number.

It is an amenable number.

8091469669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091469669 is an equidigital number, since it uses as much as digits as its factorization.

8091469669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 8091469669 is about 89952.5967885308. The cubic root of 8091469669 is about 2007.5936045129.

The spelling of 8091469669 in words is "eight billion, ninety-one million, four hundred sixty-nine thousand, six hundred sixty-nine".