8047332169 has 2 divisors, whose sum is σ = 8047332170. Its totient is φ = 8047332168.

The previous prime is 8047332157. The next prime is 8047332179. The reversal of 8047332169 is 9612337408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6890992144 + 1156340025 = 83012^2 + 34005^2 .

It is a cyclic number.

It is not a de Polignac number, because 8047332169 - 2⁹ = 8047331657 is a prime.

It is a super-2 number, since 2×8047332169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8047332149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4023666084 + 4023666085.

It is an arithmetic number, because the mean of its divisors is an integer number (4023666085).

Almost surely, 2^8047332169 is an apocalyptic number.

It is an amenable number.

8047332169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8047332169 is an equidigital number, since it uses as much as digits as its factorization.

8047332169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 8047332169 is about 89706.9237517372. The cubic root of 8047332169 is about 2003.9365939470.

The spelling of 8047332169 in words is "eight billion, forty-seven million, three hundred thirty-two thousand, one hundred sixty-nine".